Information about #C21B09 color

#C21B09 color image

Basic facts about this digital color

#C21B09 falls into the Red Color FamilyFull Saturation, Neutral brightness. The mix behind it: rgb(194, 27, 9) — 76.1% red, 10.6% green, 3.5% blue; the print equivalent is CMYK 0 / 65 / 73 / 24. Curious how these numbers work? Read our RGB color codes guide.

#C21B09 presents itself as a maximally vivid red — one that sits comfortably between light and dark. It is a natural fit for logos, highlights and anything that needs to be noticed first. In The Official Register of Color Names it is a near neighbor of Chilli Pepper (#C11B17). Nearby in the Register you will also find Sulurouge (#CC1410) and Tomato Sauce (#B21807).

Technically, the mix leans on its red channel (rgb(194, 27, 9)), which gives #C21B09 its character. On this background, white text reaches a 6.1:1 contrast ratio (passing WCAG AA); black stays at 3.5:1. No one has named #C21B09 so far. Register a name for it and it becomes a permanent record.

#C21B09 color variations

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

#C21B09 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 #C21B09

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

Sulurouge color link
Sulurouge

#CC1410

Tomato Sauce color link
Tomato Sauce

#B21807

Murdoc Red color link
Murdoc Red

#BC161C

Venetian Red color link
Venetian Red

#C80815

Vintage Red color link
Vintage Red

#AF2413

Carnelian color link
Carnelian

#B31B1B

Goomba color link
Goomba

#BC0500

Verizon Red color link
Verizon Red

#CD040B

Rufous color link
Rufous

#A81C07

Red Cola color link
Red Cola

#B62020

Conversions between color systems and etc.

  • HEX#C21B09
  • RGB194, 27, 9
  • CMYK0, 65, 73, 24
  • CSSrgb(194, 27, 9)
  • HSL6°, 91%, 40%
  • HSL Precise5.838°, 91.133%, 39.804%
  • HSV6°, 95%, 76%
  • HSB6°, 95%, 76%
  • Normalized R (0.0–1.0)0.761
  • Normalized G (0.0–1.0)0.106
  • Normalized B (0.0–1.0)0.035
  • GLSLvec3(0.761, 0.106, 0.035)
  • GLSL with alphavec4(0.761, 0.106, 0.035, 1.000)
  • HLSL / Metalfloat3(0.761, 0.106, 0.035)
  • Percentage of Red in RGB76.1%
  • Percentage of Green in RGB10.6%
  • Percentage of Blue in RGB3.5%
  • Color FamilyRed
  • Saturation FamilyFull Saturation
  • Lightness FamilyNeutral
  • HEX IDC21B09
  • DECIMAL ID12720905
  • Name LengthThis color has no name
  • Seen by search & AI crawlers13 times
  • Counting from2025-01-01