Information about #31181D color

#31181D color image

Basic facts about this digital color

#31181D falls into the Red Color Family — Mild Saturation, Dark brightness. The mix behind it: rgb(49, 24, 29) — 19.2% red, 9.4% green, 11.4% blue; the print equivalent is CMYK 0 / 10 / 8 / 81. Curious how these numbers work? Read our RGB color codes guide.

A moderately toned warm red, #31181D stays on the darker end of the scale. Expect to see shades like this in dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is almost identical to Black Kite (#351E1C). Slightly further away sit Spitfire (#381921) and Scorched Brown (#351F19).

Technically, the mix leans on its red channel (rgb(49, 24, 29)), which gives #31181D its character. Accessibility-wise, white text works best on #31181D: 16.4:1 contrast (passing WCAG AAA) versus 1.3:1 for black. On paper it relies strongly on black ink (K:81), 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.

#31181D color variations

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

#31181D 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 #31181D

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

Black Kite color link
Black Kite

#351E1C

Spitfire color link
Spitfire

#381921

Loyal color link
Loyal

#28191D

Tamarind color link
Tamarind

#341515

Cocktail color link
Cocktail

#2F1D25

Legal Dye color link
Legal Dye

#2E211B

Hollow Plum color link
Hollow Plum

#2A1624

Sooty color link
Sooty

#281D19

Conversions between color systems and etc.

  • HEX#31181D
  • RGB49, 24, 29
  • CMYK0, 10, 8, 81
  • CSSrgb(49, 24, 29)
  • HSL348°, 34%, 14%
  • HSL Precise348°, 34.247%, 14.314%
  • HSV348°, 51%, 19%
  • HSB348°, 51%, 19%
  • Normalized R (0.0–1.0)0.192
  • Normalized G (0.0–1.0)0.094
  • Normalized B (0.0–1.0)0.114
  • GLSLvec3(0.192, 0.094, 0.114)
  • GLSL with alphavec4(0.192, 0.094, 0.114, 1.000)
  • HLSL / Metalfloat3(0.192, 0.094, 0.114)
  • Percentage of Red in RGB19.2%
  • Percentage of Green in RGB9.4%
  • Percentage of Blue in RGB11.4%
  • Color FamilyRed
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID31181D
  • DECIMAL ID3217437
  • Name LengthThis color has no name
  • Seen by search & AI crawlers6 times
  • Counting from2025-01-01