Shades of blue

Short description: Variety of the color blue

Blue

Wavelength| 440–490 nm
Common connotations
masculinity, cold, sadness, confidence, harmony, water
Color coordinates
Hex triplet| #0000FF
Source| X11

Varieties of the color blue may differ in hue, chroma (also called saturation, intensity, or colorfulness), or lightness (or value, tone, or brightness), or in two or three of these qualities. Variations in value are also called tints and shades, a tint being a blue or other hue mixed with white, a shade being mixed with black. A large selection of these colors are shown below.

## Contents

* 1 Definitions of blue
* 1.1 Blue (RGB) (X11 blue)
* 1.2 Blue (CMYK) (pigment blue)
* 1.3 Blue (Pantone)
* 1.4 Blue (NCS) (psychological primary blue)
* 1.5 Blue (Munsell)
* 1.6 Blue (Crayola)
* 2 Tints, shades, and variations of blue
* 2.1 Periwinkle
* 2.2 Ultramarine
* 2.3 Medium blue
* 2.4 Savoy blue
* 2.5 Liberty
* 2.6 Egyptian blue
* 2.7 Neon blue
* 2.8 Dark blue
* 2.9 Picotee blue
* 2.10 Bluebonnet
* 2.11 Navy blue
* 2.12 Midnight blue
* 2.13 Independence
* 2.14 Space cadet
* 2.15 Twin bed
* 2.16 International Klein Blue
* 2.17 Blurple (2015–2021)
* 2.18 Blurple (2021–present)
* 2.19 Cool black
* 2.20 Process blue
* 3 Ambiguous variations of blue
* 3.1 Baby blue
* 3.2 Light blue
* 3.3 Powder blue
* 3.4 Uranian blue
* 3.5 Neptune blue
* 3.6 Argentinian blue
* 3.7 Ruddy blue
* 3.8 Celtic blue
* 3.9 Spanish blue
* 3.10 Bleu de France
* 3.11 Delft blue
* 3.12 Duck blue
* 3.13 Resolution blue
* 3.14 Polynesian blue
* 3.15 Moroccan Blue
* 3.16 Sapphire
* 3.17 Fluorescent blue
* 3.18 Teal blue
* 4 Shades of azure
* 4.1 Azure (web color)
* 4.2 Variations of azure
* 4.2.1 Alice blue
* 4.2.2 Uranian blue
* 4.2.3 Light blue
* 4.2.4 Columbia blue
* 4.2.5 Cloudy blue
* 4.2.6 Baby blue
* 4.2.7 Light sky blue
* 4.2.8 Sky blue
* 4.2.9 Deep sky blue
* 4.2.10 Cerulean
* 4.2.11 Pale azure
* 4.2.12 Green-blue
* 4.2.13 Maya blue
* 4.2.14 Jordy blue
* 4.2.15 Picton blue
* 4.2.16 United Nations blue
* 4.2.17 Cornflower blue
* 4.2.18 Bleu de France
* 4.2.19 Dodger blue
* 4.2.20 Brandeis blue
* 4.2.21 True blue
* 4.2.22 Tang blue
* 4.2.23 Puerto Rican Medium Blue
* 4.2.24 Royal blue (web color)
* 4.2.25 Celestial blue
* 4.2.26 Vista blue
* 4.2.27 Silver Lake blue
* 4.2.28 Tufts blue
* 4.2.29 Honolulu blue
* 4.2.30 Air Force blue
* 4.2.31 Steel blue
* 4.2.32 French blue
* 4.2.33 Lapis lazuli
* 4.2.34 Royal blue (traditional)
* 4.2.35 Blue (NCS) (psychological primary blue)
* 4.2.36 Blue (Munsell)
* 4.2.37 Spanish blue
* 4.2.38 Argentinian blue
* 4.2.39 Berkeley blue
* 4.2.40 Blue (Crayola)
* 4.2.41 Ruddy blue
* 4.2.42 Celtic blue
* 4.2.43 Polynesian blue
* 4.2.44 Moroccan Blue
* 4.2.45 Yale Blue
* 4.2.46 Penn blue
* 4.2.47 Sapphire
* 4.2.48 Delft blue
* 4.2.49 Resolution blue
* 5 See also
* 6 References

## Definitions of blue

### Blue (RGB) (X11 blue)

Blue (Computer web color)

Red, green, and blue lights, representing the three basic additive primary colors of the RGB color system, red, green, and blue

Color coordinates
Hex triplet| #0000FF
Source| X11 color names[1]
HTML/CSS[2]
ISCC–NBS descriptor| Vivid blue

The color defined as blue in the RGB color model, X11 blue, is the brightest possible blue that can be reproduced on a computer screen, and is the color named blue in X11. It is one of the three primary colors used in the RGB color space, along with red and green. The three additive primaries in the RGB color system are the three colors of light chosen such as to provide the maximum gamut of colors that are capable of being represented on a computer or television set.

This color is also called color wheel blue. It is at 240 degrees on the HSV color wheel, also known as the RGB color wheel. It is a spectral color which lies at, or near, the short-wave (violet) end of the traditional "blue" and possibly was classified as "indigo" by Newton.[3] Its complementary color is yellow.

### Blue (CMYK) (pigment blue)

Blue (CMYK) (pigment blue)

Cyan, magenta, and yellow are the three subtractive primary colors used in printing

Color coordinates
Hex triplet| #333399
Source| CMYK
ISCC–NBS descriptor| Vivid blue

The color defined as blue in the CMYK color system used in printing, also known as pigment blue, is the tone of blue that is achieved by mixing process (printer's) cyan and process (printer's) magenta in equal proportions.

The purpose of the CMYK color system is to provide the maximum possible gamut of color reproducible in printing by the use of only three primaries.

The color indicated is only approximate as the colors of printing inks may vary.

### Blue (Pantone)

Blue (Pantone)

Color coordinates
Hex triplet| #0018A8
Source| Pantone TPX[4]
ISCC–NBS descriptor| Vivid blue

Blue (Pantone) is the color that is called blue in Pantone.

The source of this color is the "Pantone Textile Paper eXtended (TPX)" color list, color # Blue C, EC, HC, M, PC, U, or UP—Blue.[5]

### Blue (NCS) (psychological primary blue)

Blue (NCS)

Approximations within the sRGB gamut to the primary colors of the Natural Color System, a model based on the opponent process theory of color vision

Color coordinates
Hex triplet| #0087BD
Source| sRGB approximation to NCS 2060-B[6]
ISCC–NBS descriptor| Moderate blue

The color defined as blue in the NCS or Natural Color System is an azure-like color. The Natural Color System is a color system based on the four unique hues or psychological primary colors red, yellow, green, and blue. The NCS is based on the opponent process theory of vision.

The “Natural Color System” is widely used in Scandinavia.

NCS Blue can only be displayed approximately on a computer screen, as these spectral colors have been adjusted to fit into the sRGB gamut. In the 21st century, this hue is classified as an variation of azure that is on the border of cyan.

### Blue (Munsell)

Blue (Munsell)

The hues of the Munsell color system, at varying values, and maximum chroma to stay in the sRGB gamut

Color coordinates
Hex triplet| #00DEFF
Source| https://pteromys.melonisland.net/munsell/
ISCC–NBS descriptor| Strong greenish blue

The Munsell color system is a color space that specifies colors based on three color dimensions: hue, value (lightness), and chroma (color purity), spaced uniformly (according to the logarithmic scale which governs human perception) in three dimensions in the Munsell color solid, which is shaped like an elongated oval at an angle. In order for all the colors to be spaced uniformly, it was found necessary to use a color wheel with five primary colors: red, yellow, green, blue, and purple.

Munsell can only be displayed approximately on a computer screen, as these spectral colors have been adjusted to fit into the sRGB gamut. In the 21st century, its blue is classified as an intermediate between azure and cyan.

### Blue (Crayola)

Blue (Crayola)

Color coordinates
Hex triplet| #1F75FE
Source| Crayola
ISCC–NBS descriptor| Vivid blue

Blue (Crayola) is the color called blue in Crayola crayons.

"Blue" was one of the original Crayola crayons formulated in 1903.

Crayola can only be displayed approximately on a computer screen. In the 21st century, this hue is classified as a variation of azure that is on the border of blue.

## Tints, shades, and variations of blue

The term tint and shade is used in its technical sense as used in color theory.

In this section, the term 'tint' usually refers to a blueish color mixed with white or light gray. The term shade is used in its technical sense as used in color theory, meaning a blueish color mixed with black or dark gray.

The colors arranged in order of their value (brightness) (V in the HSV code), the brighter colors toward the top and the darker colors toward the bottom.

### Periwinkle

Main article: Periwinkle (color)

Periwinkle

Periwinkle flowers

Color coordinates
Hex triplet| #CCCCFF
Source| Maerz and Paul
ISCC–NBS descriptor| Very light purplish blue

Periwinkle (also periwinkle blue or lavender blue) is a mixture of white, blue, and red. It is named after the Periwinkle flower and is also commonly referred to as a tone of light blue.

### Ultramarine

Main article: Ultramarine

Ultramarine

Ultramarine pigment

Color coordinates
Hex triplet| #120A8F
Source| Xona Games[7] and ColorHexa[8]
ISCC–NBS descriptor| Vivid blue
Lapis lazuli, the source of the ultramarine pigment

Ultramarine is a blue pigment in use since medieval times. It was originally derived from lapis lazuli, a bright blue mineral.

### Medium blue

Medium Blue

Color coordinates
Hex triplet| #0000CD
Source| X11
ISCC–NBS descriptor| Vivid blue

The web color medium blue is a shade of the standard (h = 240°) blue.

### Savoy blue

Savoy blue

Color coordinates
Hex triplet| #4B61D1
Source| ColorSwatches
ISCC–NBS descriptor| Vivid blue

Savoy blue, or savoy azure, is a shade of saturation blue between peacock blue and periwinkle, lighter than peacock blue.[9] It owes its name to its being the color of the House of Savoy, a ruling dynasty in Italy from 1861 to 1946.

The Italy national football team at the 1982 FIFA World Cup

Having become a national color with the unification of Italy (1861), its use continued even after the birth of the Italian Republic (1946) with the name "Italian blue". An Italian-blue border was inserted on the edge of the Presidential Standard of Italy and the use of the blue scarf for the Italian Armed Forces' officers, for the presidents of the Italian provinces during the official ceremonies and of the blue jersey for Italian national sports teams it was also maintained in the Republican era.

### Liberty

Liberty

Color coordinates
Hex triplet| #545AA7
Source| ISCC-NBS[10]
ISCC–NBS descriptor| Strong blue

Liberty is a strong blue color.

The first recorded use of liberty as a color name in English was in 1918.[11]

### Egyptian blue

Main article: Egyptian blue

Egyptian Blue

Color coordinates
Hex triplet| #1034A6
Source| webexhibts
ISCC–NBS descriptor| Vivid blue

Egyptian blue is a pigment that was used in Ancient Egypt.

### Neon blue

Neon Blue

Color coordinates
Hex triplet| #4D4DFF
Source| Html Css Color
ISCC–NBS descriptor| Vivid purplish blue

Neon blue is a vivid purplish blue.

### Dark blue

Dark Blue

Color coordinates
Hex triplet| #00008B
Source| X11
ISCC–NBS descriptor| Vivid blue

Dark blue is a shade of the standard (h = 240°) blue.

### Picotee blue

Picotee Blue

Color coordinates
Hex triplet| #2E2787
Source| ColorSwatches

Picotee blue represents the color of the picotee flower. It is a deep shade of indigo, almost resembling St. Patrick's Blue.

### Bluebonnet

Bluebonnet

Bluebonnet flowers

Color coordinates
Hex triplet| #1C1CF0
Source| Encycolorpedia

Bluebonnet is a bright shade of blue with a slight violet tinge. It represents the color of bluebonnet flowers, which are part of the lupin family. The bluebonnet is the state flower of Texas .

### Navy blue

Main article: Navy blue

Navy Blue

Color coordinates
Hex triplet| #000080
Source| HTML/CSS[2]
ISCC–NBS descriptor| Vivid blue
A figurine in US Civil War-era US Navy uniform

Navy blue is a shade of the standard (h = 240°) blue. Navy blue got its name from the dark blue (contrasted with white) worn by sailors in the Royal Navy since 1748 (originally called marine blue before 1840) and subsequently adopted by other navies around the world.

The first recorded use of navy blue as a color name in English was in 1840.[12]

### Midnight blue

Main article: Midnight blue

Midnight Blue

Color coordinates
Hex triplet| #191970
Source| X11
ISCC–NBS descriptor| Vivid blue

Midnight blue is an X11 web color. This color was originally called midnight. The first recorded use of midnight as a color name in English was in 1915.[13]

### Independence

Independence

Color coordinates
Hex triplet| #4C516D
Source| ISCC-NBS
ISCC–NBS descriptor| Dark blue

Independence is a dark blue color.

The first recorded use of independence as a color name in English was in 1927.[14]

### Space cadet

Space Cadet

Color coordinates
Hex triplet| #1E2952
Source| Resene
ISCC–NBS descriptor| Dark blue

Space cadet is one of the colors on the Resene Color List,[15] a color list popular in Australia and New Zealand. The color "space cadet" was formulated in 2007.

### Twin bed

Twin Bed

Color coordinates
Hex triplet| #BEDBED
Source| "bedbed". https://www.colorhexmap.com/bedbed.

Twin Bed is so named since its HEX color code spells out "BED" twice. The color is also recognized for bearing close semblance to the light pastel shade of cyan common on bed sheets.

### International Klein Blue

International Klein Blue

International Klein Blue pigment

Color coordinates
Hex triplet| #120A8F
Source| [16]
ISCC–NBS descriptor| Vivid blue

International Klein Blue (IKB) is a deep blue hue first mixed by the French artist Yves Klein. IKB's visual impact comes from its heavy reliance on ultramarine, as well as Klein's often thick and textured application of paint to canvas. There is a legend that Klein patented the color, but in reality he simply submitted a Soleau envelope and never progressed to the patent stage.

### Blurple (2015–2021)

Original Blurple

Color coordinates
Hex triplet| #7289DA
Source| [17]
ISCC–NBS descriptor| Brilliant purplish blue

Original Blurple is a brilliant purplish blue hue. It is the older version of Blurple, described below. It was used in the old Discord logo. Before 13 May 2021, it was simply called Blurple.[18]

### Blurple (2021–present)

Blurple

Blurple-colored bluebellvine

Color coordinates
Hex triplet| #5865f2
Source| [19]
ISCC–NBS descriptor| Vivid purplish blue

Blurple is a vivid purplish blue hue. It is used in the new Discord logo.[18]

### Cool black

Cool black (PMS 295)

Color coordinates
Hex triplet| #002E63
Source| [Unsourced]
ISCC–NBS descriptor| Very dark blue

Cool black is a dark shade of blue. It is one of Pantone colors.[20]

### Process blue

Process Blue C

Color coordinates
Hex triplet| #0085CA
Source| [Unsourced]

Process blue is a Pantone-defined shade[21] used by the football team the Carolina Panthers and is sometimes consequently called "Carolina blue" or "Panther blue".[22]

## Ambiguous variations of blue

In this section, shades fall outside the tertiary color range for blue, and many can be considered variations of cyan and azure, rather than blue.

### Baby blue

Main article: Baby blue

Baby blue

Color coordinates
Hex triplet| #89CFF0
Source| Maerz & Paul (1930)[23](p 93, pl 35, nr E2)[24]
ISCC–NBS descriptor| Very light greenish blue

Baby blue is known as one of the pastel colors.

The first recorded use of baby blue as a color name in English was in 1892.[23](p 190)

### Light blue

Light blue

Color coordinates
Hex triplet| #ADD8E6
Source| X11
ISCC–NBS descriptor| Very light greenish blue

The web color light blue is part of the X11 color system, with a hue code of 194. Variations of this color are known as sky blue, baby blue, or angel blue.

The first recorded use of "light blue" as a color term in English is in 1915.[25]

### Powder blue

Main article: Powder blue

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Powder blue is a light bluish green.

The first recorded use of powder blue as a color name in English was in 1774.[26] It is a web color.

### Uranian blue

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Uranian blue is a light greenish blue, the color of Uranus, which was named after Uranus, the primordial god of the sky and the heavens in Greek mythology.

### Neptune blue

Neptune blue is a darkish blue, the color of Neptune.

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### Argentinian blue

Lua error: Internal error: The interpreter has terminated with signal "24". The web color Argentinian blue is a light azure color seen on the national flag of Argentina.

### Ruddy blue

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Ruddy blue represents the coloring of the beak of the ruddy duck.

### Celtic blue

Lua error: Internal error: The interpreter has terminated with signal "24". Celtic blue is a shade of blue, also known as glas celtig in Welsh, or gorm ceilteach in both the Irish language and in Scottish Gaelic. Julius Caesar reported (in Commentarii de Bello Gallico) that the Britanni used to colour their bodies blue with vitrum, a word that means primarily "glass", but also the domestic name for the "woad" (Isatis tinctoria), besides the Gaulish loanword glastum (from Proto-Celtic *glastos "green"). The connection seems to be that both glass and the woad are "water-like" (lat. vitrum is from Proto-Indo-European *wed-ro- "water-like").

### Spanish blue

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Spanish blue is the color that is called Azul (the Spanish word for "blue") in the Guía de coloraciones (Guide to colorations) by Rosa Gallego and Juan Carlos Sanz, a color dictionary published in 2005 that is widely popular in the Hispanophone realm.

### Bleu de France

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Bleu de France is a vivid blue color that has been associated in heraldry with the Kings of France since the 12th century.

### Delft blue

Lua error: Internal error: The interpreter has terminated with signal "24". Delft blue is a dark blue color.

The name is derived from the Dutch pottery Delftware, also known simply as "Delft Blue".

### Duck blue

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Duck blue is a moderate greenish blue.

### Resolution blue

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Resolution blue is a vivid blue color.

This color name first came into use in 2001 when it was formulated as one of the colors on the Xona.com Color List.

### Polynesian blue

Lua error: Internal error: The interpreter has terminated with signal "24". Polynesian blue is a dark blue color, almost navy.

### Moroccan Blue

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Moroccan blue (also Chefchaouen blue) is a vivid blue color.

### Sapphire

Lua error: Internal error: The interpreter has terminated with signal "24". Lua error: Internal error: The interpreter has terminated with signal "24". Sapphire is a deep shade of navy blue, based on the color of an average sapphire gemstone. However, sapphire gems can also be pink, yellow, or orange.

### Fluorescent blue

Lua error: Internal error: The interpreter has terminated with signal "24". Fluorescent blue is a shade of blue that is radiant based on fluorescence. This is the main color on the Indian 50-rupee note.

### Teal blue

Lua error: Internal error: The interpreter has terminated with signal "24". Teal blue is a medium tone of teal with more blue.

The first recorded use of teal blue as a color name in English was in 1927.[27]

## Shades of azure

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Azure pigment

Azure (Lua error: Internal error: The interpreter has terminated with signal "24". Lua error: Internal error: The interpreter has terminated with signal "24"., Lua error: Internal error: The interpreter has terminated with signal "24". Lua error: Internal error: The interpreter has terminated with signal "24".)[28][29][30] is a variation of blue that is often described as the color of the sky on a clear day.

On the RGB color wheel, "azure" (hexadecimal #0080FF) is defined as the color at 210 degrees, i.e., the hue halfway between blue and cyan. In the RGB color model, used to create all the colors on a television or computer screen, azure is created by adding a little green light to blue light. The complementary color of azure is orange.

### Azure (web color)

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In the X11 color system which became a standard for early web colors, azure is depicted as a pale cyan or whitish cyan rather than a shade of azure.

In an artistic context, this color could also be called azure mist or cyan mist.

### Variations of azure

In this section, the term shade is used in its technical sense as used in color theory, meaning a blueish color mixed with black or dark gray. The colors arranged in order of their value (brightness) (V in the HSV code), the brighter colors toward the top and the darker colors toward the bottom.

#### Alice blue

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#### Uranian blue

Lua error: Internal error: The interpreter has terminated with signal "24". Uranian blue is a light greenish blue, the color of Uranus.

Uranus with clouds

#### Light blue

Lua error: Internal error: The interpreter has terminated with signal "24". The web color light blue is part of the X11 color system, with a hue code of 194. This color is closer to cyan than to blue. Variations of this color are known as sky blue, baby blue, or angel blue.

The first recorded use of "light blue" as a color term in English is in the year 1915.[31]

#### Columbia blue

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Columbia blue is a medium light tone of azure named after Columbia University. The typical Columbia blue is defined by Pantone Columbia Blue (PANTONE 290).[32]

#### Cloudy blue

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Cloudy blue is a light, opaque tone of azure.

#### Baby blue

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Baby blue is known as one of the pastel colors. With a hue code of 199, this color is a tone of azure.

This color is associated with baby boys in Western culture.

The first recorded use of baby blue as a color name in English was in 1892.[33]

#### Light sky blue

Lua error: Internal error: The interpreter has terminated with signal "24". There is a web color of light sky blue.

#### Sky blue

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Bright blue sky with white clouds

The first recorded use of sky blue as a color name in English was in 1728 in the Cyclopædia of Ephraim Chambers.[34] Prior to the Chambers reference, the color had first been used in 1585 in a book by Nicolas de Nicolay where he stated "the tulbantLua error: Internal error: The interpreter has terminated with signal "24". of the merchant must be skie coloured".[35][36]

#### Deep sky blue

Lua error: Internal error: The interpreter has terminated with signal "24". Deep sky blue is an azure-cyan color associated with deep sky blue.

Deep sky blue (Capri) is a web color.

This color is on the color wheel (RGB/HSV color wheel) halfway between azure and cyan.

The traditional name for this color is Capri.[37]

The first use of Capri as a color name in English was in 1920.[38]

The color Capri in general is named for the azure-cyan color of the Mediterranean Sea around the island of Capri off Italy, the site of several villas belonging to the Roman Emperor Tiberius, including his imperial residence in his later years, the Villa Jovis. Specifically, the color Capri is named after the color of the Blue Grotto on the island of Capri[39] as it appears on a bright sunny day. Today the island of Capri is a resort island popular with tourists.

The name deep sky blue for this color did not come into use until the promulgation of the X11 color list in 1987.

Blue Grotto waters showing their distinctive azure colour

The name Capri is still used for this color as well as the name deep sky blue.

#### Cerulean

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The word is probably derived from the Latin word caeruleus, "dark blue, blue, or blue-green", which in turn probably derives from caelulum, diminutive of caelum, "heaven, sky".[41]

#### Pale azure

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#### Green-blue

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Green-blue was a Crayola color from 1958 to 1990.

#### Maya blue

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#### Jordy blue

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The color name jordy blue dates back to at least 2001, and came into wider use when the Resene Paints colors were used as one of the sources for the Xona Games Color List.Lua error: Internal error: The interpreter has terminated with signal "24".

#### Picton blue

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The color name Picton blue dates back to at least 2001, and came into wider use when the Resene Paints colors were used as one of the sources for the Xona Games Color List.[42] Many of Resene's shades of blue and cyan are named after places in New Zealand's Marlborough Sounds, where the town of Picton is located.

#### United Nations blue

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Flag of the United Nations

The color United Nations blue resembles the shade of blue seen on the flag of the United Nations . Current branding guidelines (since 2020[43]) use Pantone 2925. Previously, the flag used Pantone 279.[44]

#### Cornflower blue

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Cornflowers Cornflower blue ice cream

Cornflower blue is a shade of medium-to-light blue containing relatively little green. Its name is a reference to the flower Centaurea cyanus.

#### Bleu de France

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Bleu de France is a color that has been associated in heraldry with the Kings of France since the 12th century.

#### Dodger blue

Lua error: Internal error: The interpreter has terminated with signal "24". Lua error: Internal error: The interpreter has terminated with signal "24". Dodger blue is a rich bright tone of azure named for its use in the uniform of the Los Angeles Dodgers.

#### Brandeis blue

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Brandeis blue is the tone of azure used in association with Brandeis University.

The university administration defines Brandeis blue as corresponding to the Pantone color of 294 or the process color of 100c 86m 14y w24k.[45]

#### True blue

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The color true blue is a deep tone of azure that is the color of the uniforms of the sports teams of UCLA. It is also one of the shades of blue used by the Los Angeles Chargers though they use the name powder blue.

#### Tang blue

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Royal blue tang

The color tang blue is a deep tone of azure that is the color of royal blue tang fish.

#### Puerto Rican Medium Blue

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Flag of Puerto Rico

Puerto Rican medium blue is a bright, cool, saturated shade of blue matching the shade of color of the triangle on Puerto Rico’s current national flag. This color also matches the deeper blue shade of Mega Man’s uniform.

#### Royal blue (web color)

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The web color royal blue is a rich tone of azure.

#### Celestial blue

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The first recorded use of celestial blue as a color name in English was in 1535.[46]

The source of this color is the Plochere Color System, a color system formulated in 1948 that is widely used by interior designers.[47]

#### Vista blue

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The source of vista blue is the "Pantone Textile Paper eXtended (TPX)" color list, color #15-3930 TPX—Vista Blue.[48]

#### Silver Lake blue

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The source of Silver Lake blue is the "Pantone Textile Paper eXtended (TPX)" color list, color #17-4030 TPX—Silver Lake Blue.[49]

#### Tufts blue

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Tufts blue is the tone of azure used in association with Tufts University.

#### Honolulu blue

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Honolulu blue is the tone of azure used in association with the Detroit Lions football team.[50][51]

#### Air Force blue

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Air force blue, also known as RAF blue, is used by the Royal Air Force , the first air force to choose an "air force blue" color by which to identify itself, in 1920.

The color "air force blue" is a medium tone of azure since it has a hue code of 204 which is a hue code between 195 and 225, signifying a tone of azure.

#### Steel blue

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Steel blue is a grayish tone of azure that resembles the color blue steel, i.e., steel which has been subjected to bluing in order to protect it from rust.

The first recorded use of steel blue as a color name in English was in 1817.[52]

#### French blue

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French blue[53] is a deep azure color commonlyLua error: Internal error: The interpreter has terminated with signal "24". used in quality men's dress shirts.

According to the Oxford English Dictionary, the first use of  French Blue in English was in The Times of 1802.[54]

#### Lapis lazuli

Rough and polished Lapis lazuli.

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The color lapis lazuli is displayed at left.

Slab of polished lapis lazuli

Lapis Lazuli is a color that is a representation of the most common color of lapis lazuli.

#### Royal blue (traditional)

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The traditional color called royal blue is a dark shade of azure.

#### Blue (NCS) (psychological primary blue)

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Approximations within the sRGB gamut to the primary colors of the Natural Color System, a model based on the opponent process theory of color vision

The color defined as blue in the NCS or Natural Color System is an azure-like color. The Natural Color System is a color system based on the four unique hues or psychological primary colors red, yellow, green, and blue. The NCS is based on the opponent process theory of vision.

The “Natural Color System” is widely used in Scandinavia.

#### Blue (Munsell)

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The hues of the Munsell color system, at varying values, and maximum chroma to stay in the sRGB gamut

The Munsell color system is a color space that specifies colors based on three color dimensions: hue, value (lightness), and chroma (color purity), spaced uniformly (according to the logarithmic scale which governs human perception) in three dimensions in the Munsell color solid, which is shaped like an elongated oval at an angle. In order for all the colors to be spaced uniformly, it was found necessary to use a color wheel with five primary colors: red, yellow, green, blue, and purple.

Munsell can only be displayed approximately on a computer screen, as these spectral colors have been adjusted to fit into the sRGB gamut. In the 21st century, its shade of blue is classified as an intermediate between azure and cyan.

#### Spanish blue

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Spanish blue is the color that is called Azul (the Spanish word for "blue") in the Guía de coloraciones (Guide to colorations) by Rosa Gallego and Juan Carlos Sanz, a color dictionary published in 2005 that is widely popular in the Hispanophone realm. It is a shade of azure. Template:Citation requested

#### Argentinian blue

Lua error: Internal error: The interpreter has terminated with signal "24". The web color Argentinian blue is a light azure color seen on the national flag of Argentina .

Flag of Argentina

#### Berkeley blue

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Berkeley Blue is one of the official colors of the University of California, Berkeley, along with California Gold.[55] Until 2007, the university had used Yale Blue in its place, given Berkeley's historical ties to Yale University, particularly in its founding.[56] Berkeley's school colors are the originators for those of all the campuses in the University of California system, of which Berkeley is the oldest as its flagship.

#### Blue (Crayola)

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Blue (Crayola) is the color called blue in Crayola crayons.

"Blue" was one of the original Crayola crayons formulated in 1903.

#### Ruddy blue

Lua error: Internal error: The interpreter has terminated with signal "24". Ruddy blue represents the coloring of the beak of the ruddy duck. It is a light shade of azure.

Ruddy duck (male)

#### Celtic blue

Lua error: Internal error: The interpreter has terminated with signal "24". Celtic blue is a shade of blue, also known as glas celtig in Welsh, or gorm ceilteach in both the Irish language and in Scottish Gaelic. Julius Caesar reported (in Commentarii de Bello Gallico) that the Britanni used to colour their bodies blue with vitrum, a word that means primarily "glass", but also the domestic name for the "woad" (Isatis tinctoria), besides the Gaulish loanword glastum (from Proto-Celtic *glastos "green"). The connection seems to be that both glass and the woad are "water-like" (lat. vitrum is from Proto-Indo-European *wed-ro- "water-like").

#### Polynesian blue

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#### Moroccan Blue

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Moroccan blue (also Chefchaouen blue) is a vivid blue color.

#### Yale Blue

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Yale Blue is the dark azure color used in association with Yale University. The hue of Yale Blue is one of the two official colors of Indiana State University,[57] the University of Mississippi,[58] and Southern Methodist University.[59] The official color "DCU Blue" of Dublin City University is very close to Yale Blue.[60]

Yale Blue was also an official color of University of California, Berkeley[56] and Duke University.[61]

#### Penn blue

Lua error: Internal error: The interpreter has terminated with signal "24". Penn Blue is one of the official colors of the University of Pennsylvania, along with Penn Red. While the school colors were defined by 1910,[62] university history points to earlier times when the colors may have been chosen, including a possible visit by George Washington to the University, where students used the color of his tunic to determine school colors or a track meet where Penn athletes declared that they would wear the colors "of the teams we beat," which would be those of both Harvard University and Yale University.[63] Originally defined as the colors used on the American flag, the colors have since deviated.[62]

#### Sapphire

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Sapphire gemstone

Sapphire is a deep shade of navy blue, based on the color of an average sapphire gemstone. However, sapphires can also be pink, yellow, or orange.

#### Delft blue

Lua error: Internal error: The interpreter has terminated with signal "24". Delft blue is a dark blue color. The name is derived from the Dutch pottery Delftware, also known simply as "Delft Blue".

#### Resolution blue

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Resolution blue is a vivid blue color. The color name dates back to at least 2001, and came into wider use when the Resene Paints colors were used as one of the sources for the Xona Games Color List.[64] Many of Resene's shades of blue and cyan are named after places in New Zealand's Marlborough Sounds, where Resolution Bay is located.

## See also

* Lists of colors
* RAL 5009 Azure blue
* Cyan

## References

1. ↑ "X11 rgb.txt". http://cvsweb.xfree86.org/cvsweb/*checkout*/xc/programs/rgb/rgb.txt?rev=1.1.
2. ↑ 2.0 2.1 2.2 "W3C TR CSS3 Color Module, HTML4 color keywords". W3C. May 2003. http://www.w3.org/TR/css3-color/#html4.
3. ↑ Waldman, Gary (2002). Introduction to light : the physics of light, vision, and color (Dover ed.). Mineola: Dover Publications. pp. 193. ISBN 978-0-486-42118-6. https://books.google.com/books?id=PbsoAXWbnr4C&q=Newton+color+Indigo&pg=PA193.
4. ↑ Type the word "Blue" into the indicated window on the Pantone Color Finder and the color will appear. There are seven versions, all with the same color codes—C, EC, HC, M, PC, U, and UP.
5. ↑ Pantone TPX Pantone Color Finder—Type the word "Blue" into the indicated window on the Pantone Color Finder and the color will appear. There are seven versions, all with the same color codes—C, EC, HC, M, PC, U, and UP.:
6. ↑ The sRGB values are taken by converting the NCS color 2060-B using the “NCS Navigator” tool at the NCS website.
7. ↑ Doucette, Matthew. "Xona Games - Color List". https://xona.com/misc/colorlist/.
8. ↑ "Ultramarine / #120a8f hex color". https://www.colorhexa.com/120a8f.
9. ↑ Grossmann, Maria (1988) (in it). Colori e lessico: studi sulla struttura semantica degli aggettivi di colore in catalano, castigliano, italiano, romeno, latino ed ungherese. Gunter Narr Verlag. ISBN 3-87808-370-X.
10. ↑ Color sample #196 on the ISCC-NBS color list is the color sample that matches the color in the book by Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill—Color Sample of Liberty: Page 109 Plate 43 Color Sample C12
11. ↑ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 197; Color Sample of Liberty: Page 109 Plate 43 Color Sample C12
12. ↑ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 103; Color Sample of Navy blue: Page 131 Plate 40 Color Sample E11
13. ↑ Maerz and Paul A Dictionary of Color New York: 1930 McGraw-Hill Page 199; Color Sample of Midnight: Page 103 Plate 40 Color Sample A8
14. ↑ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 196; color sample of Independence: Page 117 Plate 47 Color Sample H12
15. ↑ "- Hex , RGB | Swatch | Resene Paints". https://www.resene.co.nz/swatches/preview.php?chart=Resene Multi-finish range (2016)&brand=Resene&name=Space Cadet.
16. ↑ "Ultramarine / #120a8f hex color". https://www.colorhexa.com/120a8f.
17. ↑ "#7289DA hex color". https://www.colorhexa.com/7289da.
18. ↑ 18.0 18.1 Nelly (13 May 2021). "Happy Blurpthday to Discord, a Place for Everything You Can Imagine". https://blog.discord.com/happy-blurpthday-to-discord-a-place-for-everything-you-can-imagine-fc99ee0a77c0.
19. ↑ "#5865f2 hex color". https://www.colorhexa.com/5865f2.
20. ↑ "PANTONE 295 C". https://www.pantone.com/connect/295-C.
21. ↑ "PANTONE Process Blue C". https://www.pantone.com/connect/PROCESS-BLUE-C.
22. ↑ Shook, Nick (2023-04-06). "Panthers to make color correction, but not changing uniforms" (in en-US). NFL. https://www.nfl.com/news/panthers-to-make-color-correction-not-changing-uniforms. Retrieved 2023-06-23.
23. ↑ 23.0 23.1 23.2 Maerz; Paul (1930). A Dictionary of Color. New York, NY: McGraw-Hill. p. 63, plate 35, sample E2; p 190.
24. ↑ The color displayed in this color box matches the color called baby blue is displayed on page 93, plate 35, as color sample E2 in Maerz & Paul (1930).[23]
25. ↑ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 190
26. ↑ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 202. See color sample of powder blue, Page 95—Plate 36 Color Sample H2
27. ↑ Maerz, Aloys John and M. Rea Paul (1930) A Dictionary of Color, New York, McGraw-Hill, p. 205; color sample of Teal Blue: p. 101 Plate 39 Color Sample L6
28. ↑ Wells, John C. (2008). Longman Pronunciation Dictionary (Lua error: Internal error: The interpreter has terminated with signal "24". ed.). Longman. ISBN 978-1-4058-8118-0.Lua+error:+Internal+error:+The+interpreter+has+terminated+with+signal+"24".&rft.pub=Longman&rft.isbn=978-1-4058-8118-0&rfr_id=info:sid/en.wikibooks.org:Shades_of_blue">
29. ↑ Jones, Daniel (2011), Cambridge English Pronouncing Dictionary (Lua error: Internal error: The interpreter has terminated with signal "24". ed.), Cambridge University Press, ISBN 978-0-521-15255-6Lua+error:+Internal+error:+The+interpreter+has+terminated+with+signal+"24".&rft.pub=Cambridge+University+Press&rft.isbn=978-0-521-15255-6&rfr_id=info:sid/en.wikibooks.org:Shades_of_blue">
30. ↑ "azure". azure. Oxford University Press. http://www.lexico.com/definition/azure.
31. ↑ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 190
32. ↑ "Colors | Identity Guidelines". https://visualidentity.columbia.edu/content/colors-1. Retrieved 9 August 2018.
33. ↑ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 190; Color Sample of Baby Blue: Page 93 Plate 35 Color Sample E2
34. ↑ "sky-blue, n. and adj.". Oxford English Dictionary. OUP. https://www.oed.com/Entry/181142. Retrieved 21 April 2011.
35. ↑ "sky-coloured | sky-colored, adj.". Oxford English Dictionary. OUP. https://www.oed.com/Entry/181145. Retrieved 21 April 2011.
36. ↑ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 204; Color Sample of Sky Blue: Page 89 Plate 33 Color Sample E6
37. ↑ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Color Sample of Capri: Page 93 Plate 35 Color Sample L7; The color Capri is shown as lying halfway between Cyan and Azure.
38. ↑ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 191
39. ↑ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 152 Discussion of the color Capri
40. ↑ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 190; Color Sample of Cerulean: Page 89 Plate 33 Color Sample E6
41. ↑ "cerulean | Search Online Etymology Dictionary" (in en). http://www.etymonline.com/index.php?search=cerulean&searchmode=none.
42. ↑ Doucette, Matthew. "Color List". Xona Games, Inc.. http://xona.com/colorlist/. Retrieved 2014-02-11.
43. ↑ "ST/SGB/2020/4". United Nations. https://undocs.org/pdf?symbol=en/ST/SGB/2020/4.
44. ↑ "UN Emblem and Flag". United Nations. http://www.un.org/depts/dhl/maplib/flag.html.
45. ↑ "Brandeis University Identity Manual". 2013. p. 6. http://www.brandeis.edu/communications/publications/downloads/identity_manual.pdf. Retrieved 11 August 2018.
46. ↑ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 192; Color Sample of Celestial blue: Page 93 Plate 35 Color Sample D3
47. ↑ Plochere Color System:
48. ↑ Pantone TPX Pantone Color Finder—Type the words "Vista Blue" into the indicated window on the Pantone Color Finder and the color will appear:
49. ↑ Pantone TPX Pantone Color Finder—Type the words "Silver Lake Blue" into the indicated window on the Pantone Color Finder and the color will appear:
50. ↑ Dow, Bill (April 22, 2009). "The Evolution of the Detroit Lions' Uniforms". https://www.vintagedetroit.com/blog/2009/04/22/the-evolution-of-the-detroit-lions’-uniform/.
51. ↑ NFL Throwback (August 20, 2020). "How EVERY Team Got Their Colors!". https://www.youtube.com/watch?v=OXcFE3zTreg&t=0h12m59s.
52. ↑ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 205
53. ↑ "Color Sample of French Blue on ISCC-NBS color chart (color sample #178):". http://tx4.us/nbs/nbs-f.htm.
54. ↑ "French, adj. and n.". Oxford English Dictionary. OUP. https://www.oed.com/Entry/74478. Retrieved 21 April 2011.
55. ↑ Colors | UC Berkeley Brand Identity. brand.berkeley.edu. Retrieved on April 6, 2014.
56. ↑ 56.0 56.1 "History, Symbols, and Traditions: What are Cal's official colors?". University of California, Berkeley. May 8, 2007. http://facultyguide.berkeley.edu/campuslife/faq_18.html.
57. ↑ "About - Indiana State University". http://www.indstate.edu/about/history_trad.htm.
58. ↑ "Ole Miss Traditions: Red & Blue". University of Mississippi. October 1, 2002. http://www.olemisssports.com/trads/ole-miss-trads.html.
59. ↑ "SMU SPIRIT AND TRADITIONS". Southern Methodist University. http://smu.edu/spirit/.
60. ↑ "Public Affairs and Media Relations Office - corporate identity - DCU identity - DCU". https://www.dcu.ie/marketing/logo/colours.shtml.
61. ↑ "The origin of Duke Blue". Duke University Libraries. http://library.duke.edu/uarchives/faqs/duke_blue.html.
62. ↑ 62.0 62.1 "History of Penn Colors". https://archives.upenn.edu/exhibits/penn-history/penn-colors.
63. ↑ "History and Traditions" (in en). https://pennathletics.com/sports/2016/6/24/_131485207643959939.aspx.
64. ↑ Doucette, Matthew. "Color List". Xona Games, Inc.. http://xona.com/colorlist/. Retrieved 2014-02-11.

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