Information about #331D1F color

#331D1F color image

Basic facts about this digital color

The digital color #331D1F is classified in the Register under the Red Color Family, with Mild Saturation and Dark brightness. In numbers: rgb(51, 29, 31) (20% red, 11.4% green, 12.2% blue), or CMYK 0 / 9 / 8 / 80 for print. Curious how these numbers work? Read our RGB color codes guide.

#331D1F is a mildly saturated red that carries a shadowy depth. It is a natural fit for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Black Kite (#351E1C). Nearby in the Register you will also find Scorched Brown (#351F19) and Spitfire (#381921).

In RGB terms — rgb(51, 29, 31) — the red channel does the heavy lifting here. If you plan to put text on a #331D1F background, choose white — the contrast ratio is 15.7:1 (passing WCAG AAA), while black manages only 1.3:1. On paper it relies strongly on black ink (K:80), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #331D1F is still unnamed — it can be claimed and named in The Official Register of Color Names.

#331D1F color variations

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

#331D1F 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 #331D1F

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

Cocktail color link
Cocktail

#2F1D25

Legal Dye color link
Legal Dye

#2E211B

Wood Bark color link
Wood Bark

#302621

Toorak color link
Toorak

#392523

Cocoa Brown color link
Cocoa Brown

#35281E

Loyal color link
Loyal

#28191D

Temptress color link
Temptress

#3C2126

Conversions between color systems and etc.

  • HEX#331D1F
  • RGB51, 29, 31
  • CMYK0, 9, 8, 80
  • CSSrgb(51, 29, 31)
  • HSL355°, 28%, 16%
  • HSL Precise354.545°, 27.5%, 15.686%
  • HSV355°, 43%, 20%
  • HSB355°, 43%, 20%
  • Normalized R (0.0–1.0)0.200
  • Normalized G (0.0–1.0)0.114
  • Normalized B (0.0–1.0)0.122
  • GLSLvec3(0.200, 0.114, 0.122)
  • GLSL with alphavec4(0.200, 0.114, 0.122, 1.000)
  • HLSL / Metalfloat3(0.200, 0.114, 0.122)
  • Percentage of Red in RGB20%
  • Percentage of Green in RGB11.4%
  • Percentage of Blue in RGB12.2%
  • Color FamilyRed
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID331D1F
  • DECIMAL ID3349791
  • Name LengthThis color has no name
  • Seen by search & AI crawlers24 times
  • Counting from2025-01-01