Information about #C21E37 color

#C21E37 color image

Basic facts about this digital color

In the Register's classification, #C21E37 belongs to the Red Color Family, featuring High Saturation and Light brightness. In numbers: rgb(194, 30, 55) (76.1% red, 11.8% green, 21.6% blue), or CMYK 0 / 64 / 55 / 24 for print. Curious how these numbers work? Read our RGB color codes guide.

A vivid, lively warm red, #C21E37 carries an easy, daylight feel. Expect to see shades like this in accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is practically indistinguishable from Cardinal (#C41E3A). Slightly further away sit Spring Red (#BE1F35) and Foreign Crimson (#C91F37).

Technically, the mix leans on its red channel (rgb(194, 30, 55)), which gives #C21E37 its character. Accessibility-wise, white text works best on #C21E37: 5.9:1 contrast (passing WCAG AA) versus 3.5:1 for black. No one has named #C21E37 so far. Register a name for it and it becomes a permanent record.

#C21E37 color variations

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

#C21E37 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

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

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

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

Tetradic

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

Tetradic color scheme

Square

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

Square color scheme

Nearest named colors to #C21E37

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

Cardinal color link
Cardinal

#C41E3A

Spring Red color link
Spring Red

#BE1F35

Rambutan color link
Rambutan

#C71232

Knock Out color link
Knock Out

#C81641

Pure Crimson color link
Pure Crimson

#C3272B

American Red color link
American Red

#B32134

Italy Red color link
Italy Red

#CD212A

Titans Red color link
Titans Red

#C8102E

Conversions between color systems and etc.

  • HEX#C21E37
  • RGB194, 30, 55
  • CMYK0, 64, 55, 24
  • CSSrgb(194, 30, 55)
  • HSL351°, 73%, 44%
  • HSL Precise350.854°, 73.214%, 43.922%
  • HSV351°, 85%, 76%
  • HSB351°, 85%, 76%
  • Normalized R (0.0–1.0)0.761
  • Normalized G (0.0–1.0)0.118
  • Normalized B (0.0–1.0)0.216
  • GLSLvec3(0.761, 0.118, 0.216)
  • GLSL with alphavec4(0.761, 0.118, 0.216, 1.000)
  • HLSL / Metalfloat3(0.761, 0.118, 0.216)
  • Percentage of Red in RGB76.1%
  • Percentage of Green in RGB11.8%
  • Percentage of Blue in RGB21.6%
  • Color FamilyRed
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX IDC21E37
  • DECIMAL ID12721719
  • Name LengthThis color has no name
  • Seen by search & AI crawlers15 times
  • Counting from2025-01-01