Information about #A51D1F color

#A51D1F color image

Basic facts about this digital color

#A51D1F falls into the Red Color Family — High Saturation, Neutral brightness. The mix behind it: rgb(165, 29, 31) — 64.7% red, 11.4% green, 12.2% blue; the print equivalent is CMYK 0 / 53 / 53 / 35. Curious how these numbers work? Read our RGB color codes guide.

A vivid, lively warm red, #A51D1F sits comfortably between light and dark. Expect to see shades like this in logos, highlights and anything that needs to be noticed first. In The Official Register of Color Names it is almost identical to Pulse (#A41D19). Nearby in the Register you will also find Rambutan Red (#A72127) and Del Toro (#B11D20).

Technically, the mix leans on its red channel (rgb(165, 29, 31)), which gives #A51D1F its character. On this background, white text reaches a 7.5:1 contrast ratio (passing WCAG AAA); black stays at 2.8:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#A51D1F color variations

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

#A51D1F 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 #A51D1F

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

Pulse color link
Pulse

#A41D19

Rambutan Red color link
Rambutan Red

#A72127

Del Toro color link
Del Toro

#B11D20

Bonfire color link
Bonfire

#A62A20

Upsdell Red color link
Upsdell Red

#AE2029

Firebrick color link
Firebrick

#B22222

Carnelian color link
Carnelian

#B31B1B

Ruby Red color link
Ruby Red

#9B111E

Rosy Red color link
Rosy Red

#A11A2E

Red Birch color link
Red Birch

#9D2B22

Conversions between color systems and etc.

  • HEX#A51D1F
  • RGB165, 29, 31
  • CMYK0, 53, 53, 35
  • CSSrgb(165, 29, 31)
  • HSL359°, 70%, 38%
  • HSL Precise359.118°, 70.103%, 38.039%
  • HSV359°, 82%, 65%
  • HSB359°, 82%, 65%
  • Normalized R (0.0–1.0)0.647
  • Normalized G (0.0–1.0)0.114
  • Normalized B (0.0–1.0)0.122
  • GLSLvec3(0.647, 0.114, 0.122)
  • GLSL with alphavec4(0.647, 0.114, 0.122, 1.000)
  • HLSL / Metalfloat3(0.647, 0.114, 0.122)
  • Percentage of Red in RGB64.7%
  • Percentage of Green in RGB11.4%
  • Percentage of Blue in RGB12.2%
  • Color FamilyRed
  • Saturation FamilyHigh Saturation
  • Lightness FamilyNeutral
  • HEX IDA51D1F
  • DECIMAL ID10820895
  • Name LengthThis color has no name
  • Seen by search & AI crawlers16 times
  • Counting from2025-01-01