Information about #21243F color

#21243F color image

Basic facts about this digital color

The digital color #21243F is classified in the Register under the Blue Color Family, with Mild Saturation and Dark brightness. Its exact recipe is rgb(33, 36, 63) — 12.9% red, 14.1% green, 24.7% blue — and for print it converts to CMYK 12 / 11 / 0 / 75. New to color codes? See our guide to RGB color codes.

A mildly saturated blue, #21243F carries a shadowy depth. Designers typically reach for tones like this for moody backdrops, typography on light surfaces and premium packaging. In The Official Register of Color Names it is a hair away from Surfs Up (#1F2142). Nearby in the Register you will also find Blue Night (#1F263B) and Midnight Express (#21263A).

Technically, the mix leans on its blue channel (rgb(33, 36, 63)), which gives #21243F its character. On this background, white text reaches a 15.1:1 contrast ratio (passing WCAG AAA); black stays at 1.4:1. On paper it relies strongly on black ink (K:75), so proof dark layouts before a large print run. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#21243F color variations

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

#21243F color tints

Tints look brighter, pastel, and less intense.
#21243F

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#3D4375

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#5C64A9

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#9297C5

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#C8CBE2

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White

#FFFFFF

#21243F color shades

Shades look darker, richer, and more solid.
#21243F

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#1A1D32

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#141526

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#0D0E19

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#06070C

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Black

#000000

#21243F color tones

Tones looks more sophisticated and complex than base colors.
#21243F

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#303350

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#41445E

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#53566B

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#686A76

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Grey

#808080

#21243F color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#3F213C

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#36213F

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#2A213F

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#21243F

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#21303F

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#213C3F

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#213F36

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#21243F 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
#21243F
#21243F

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#3F3C21
#3F3C21

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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
#21243F
#21243F

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#333F21
#333F21

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#3F2D21
#3F2D21

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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
#2D213F
#2D213F

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#21243F
#21243F

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#21333F
#21333F

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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
#21243F
#21243F

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#3F2124
#3F2124

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#243F21
#243F21

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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
#21243F
#21243F

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#3C213F
#3C213F

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#3F3C21
#3F3C21

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#243F21
#243F21

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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
#21243F
#21243F

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#3F2133
#3F2133

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#3F3C21
#3F3C21

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#213F2D
#213F2D

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Nearest named colors to #21243F

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

Surfs Up color link
Surfs Up

#1F2142

Blue Night color link
Blue Night

#1F263B

Midnight Express color link
Midnight Express

#21263A

Sonic Boom color link
Sonic Boom

#252042

Redemption Blue color link
Redemption Blue

#232545

Yankees Blue color link
Yankees Blue

#1C2841

Bullitt color link
Bullitt

#27253C

Ebony Clay color link
Ebony Clay

#26283B

Aashay Vasani Blue color link
Aashay Vasani Blue

#202A44

Quarterback color link
Quarterback

#282B3C

Navy Blue Bellflower color link
Navy Blue Bellflower

#191F45

Allegro color link
Allegro

#242E3B

#21243F color backgrounds & wallpapers

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

#21243F color image #21243F color ORCN HD wallpaper 3840x2160 (Desktop)
#21243F color image #21243F color ORCN HD wallpaper 1170x2532 (Mobile)
#21243F color image #21243F color solid HD wallpaper 3840x2160 (Desktop)
#21243F color image #21243F color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#21243F
  • RGB33, 36, 63
  • CMYK12, 11, 0, 75
  • CSSrgb(33, 36, 63)
  • HSL234°, 31%, 19%
  • HSL Precise234°, 31.25%, 18.824%
  • HSV234°, 48%, 25%
  • HSB234°, 48%, 25%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.141
  • Normalized B (0.0–1.0)0.247
  • GLSLvec3(0.129, 0.141, 0.247)
  • GLSL with alphavec4(0.129, 0.141, 0.247, 1.000)
  • HLSL / Metalfloat3(0.129, 0.141, 0.247)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB14.1%
  • Percentage of Blue in RGB24.7%
  • Color Family (Hue)Blue
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID21243F
  • DECIMAL ID2171967
  • Name LengthThis color has no name
  • This page visited897 times
  • Counting from2025-01-01

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