Information about #21374F color

#21374F color image

Basic facts about this digital color

The digital color #21374F is classified in the Register under the Azure Color Family, with Moderate Saturation and Dark brightness. In numbers: rgb(33, 55, 79) (12.9% red, 21.6% green, 31% blue), or CMYK 18 / 9 / 0 / 69 for print. Curious how these numbers work? Read our RGB color codes guide.

#21374F is a pleasantly vivid sky-leaning azure that carries a shadowy depth. It is a natural fit for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Dark Blue Grey (#1F3B4D). Nearby in the Register you will also find Midnight Oil (#283854) and Nile Blue (#253F4E).

Technically, the mix leans on its blue channel (rgb(33, 55, 79)), which gives #21374F its character. If you plan to put text on a #21374F background, choose white — the contrast ratio is 12.2:1 (passing WCAG AAA), while black manages only 1.7:1. For print, note the heavy black component (K:69) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #21374F is still unnamed — it can be claimed and named in The Official Register of Color Names.

#21374F color variations

View this color variations of tints, shades, tones and hues.

#21374F color tints

Tints look brighter, pastel, and less intense.
#21374F

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#385E87

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#5686B8

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#8EAED0

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#C6D6E7

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White

#FFFFFF

#21374F color shades

Shades look darker, richer, and more solid.
#21374F

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#1A2C3F

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#13212F

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#0D161F

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#060B0F

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Black

#000000

#21374F color tones

Tones looks more sophisticated and complex than base colors.
#21374F

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#2F455D

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#3F5369

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#526273

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#67707A

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Grey

#808080

#21374F color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#42214F

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#2F214F

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#21244F

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#21374F

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#21494F

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#214F42

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#214F2F

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#21374F color harmonies

Color harmonies are pleasing color schemes created according to their position on a color wheel.

Complementary

Complementary color schemes are made by picking two opposite colors con the color wheel. They appear vibrant near to each other.

Complementary color schemes
#21374F
#21374F

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#4F3921
#4F3921

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Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme
#21374F
#21374F

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#4E4F21
#4E4F21

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#4F2221
#4F2221

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Analogous

Analogous color schemes are made by picking three colors that are next to each other on the color wheel. They are perceived as calm and serene.

Analogous color scheme
#22214F
#22214F

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#21374F
#21374F

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#214E4F
#214E4F

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Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme
#21374F
#21374F

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#4F2137
#4F2137

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#374F21
#374F21

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Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme
#21374F
#21374F

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#39214F
#39214F

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#4F3921
#4F3921

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#374F21
#374F21

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Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme
#21374F
#21374F

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#4F214E
#4F214E

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#4F3921
#4F3921

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#214F22
#214F22

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Nearest named colors to #21374F

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Dark Blue Grey color link
Dark Blue Grey

#1F3B4D

Midnight Oil color link
Midnight Oil

#283854

Nile Blue color link
Nile Blue

#253F4E

Tarawera color link
Tarawera

#253C48

Vintage Navy color link
Vintage Navy

#2A344D

Dark Sapphire Blue color link
Dark Sapphire Blue

#273459

Dark Cobalt Blue color link
Dark Cobalt Blue

#273A59

Bunting color link
Bunting

#2B3449

Regal Blue color link
Regal Blue

#203F58

Cello color link
Cello

#1E385B

Lucky Point color link
Lucky Point

#292D4F

Blue Clouds color link
Blue Clouds

#273C5A

#21374F color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

#21374F color image #21374F color ORCN HD wallpaper 3840x2160 (Desktop)
#21374F color image #21374F color ORCN HD wallpaper 1170x2532 (Mobile)
#21374F color image #21374F color solid HD wallpaper 3840x2160 (Desktop)
#21374F color image #21374F color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#21374F
  • RGB33, 55, 79
  • CMYK18, 9, 0, 69
  • CSSrgb(33, 55, 79)
  • HSL211°, 41%, 22%
  • HSL Precise211.304°, 41.071%, 21.961%
  • HSV211°, 58%, 31%
  • HSB211°, 58%, 31%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.216
  • Normalized B (0.0–1.0)0.310
  • GLSLvec3(0.129, 0.216, 0.310)
  • GLSL with alphavec4(0.129, 0.216, 0.310, 1.000)
  • HLSL / Metalfloat3(0.129, 0.216, 0.310)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB21.6%
  • Percentage of Blue in RGB31%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID21374F
  • DECIMAL ID2176847
  • Name LengthThis color has no name
  • Seen by search & AI crawlers6 times
  • Counting from2025-01-01

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