Information about #CB3739 color

#CB3739 color image

Basic facts about this digital color

In the Register's classification, #CB3739 belongs to the Red Color Family, featuring Moderate Saturation and Light brightness. The mix behind it: rgb(203, 55, 57) — 79.6% red, 21.6% green, 22.4% blue; the print equivalent is CMYK 0 / 58 / 57 / 20. Curious how these numbers work? Read our RGB color codes guide.

#CB3739 is a pleasantly vivid warm red that sits on the lighter side of the spectrum. It is a natural fit for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is a hair away from Flush Mahogany (#CA3435). Nearby in the Register you will also find Madder Lake (#CC3336) and Persian Red (#CC3333).

The recipe behind #CB3739 is rgb(203, 55, 57), with red as the dominant ingredient. If you plan to put text on a #CB3739 background, choose white — the contrast ratio is 5.1:1 (passing WCAG AA), while black manages only 4.1:1. Out of 16,777,216 possible colors, #CB3739 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#CB3739 color variations

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

#CB3739 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 #CB3739

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

Conversions between color systems and etc.

  • HEX#CB3739
  • RGB203, 55, 57
  • CMYK0, 58, 57, 20
  • CSSrgb(203, 55, 57)
  • HSL359°, 59%, 51%
  • HSL Precise359.189°, 58.73%, 50.588%
  • HSV359°, 73%, 80%
  • HSB359°, 73%, 80%
  • Normalized R (0.0–1.0)0.796
  • Normalized G (0.0–1.0)0.216
  • Normalized B (0.0–1.0)0.224
  • GLSLvec3(0.796, 0.216, 0.224)
  • GLSL with alphavec4(0.796, 0.216, 0.224, 1.000)
  • HLSL / Metalfloat3(0.796, 0.216, 0.224)
  • Percentage of Red in RGB79.6%
  • Percentage of Green in RGB21.6%
  • Percentage of Blue in RGB22.4%
  • Color FamilyRed
  • Saturation FamilyModerate Saturation
  • Lightness FamilyLight
  • HEX IDCB3739
  • DECIMAL ID13317945
  • Name LengthThis color has no name
  • Seen by search & AI crawlers11 times
  • Counting from2025-01-01