Information about #51151F color

#51151F color image

Basic facts about this digital color

The digital color #51151F is classified in the Register under the Red Color Family, with Moderate Saturation and Dark brightness. In numbers: rgb(81, 21, 31) (31.8% red, 8.2% green, 12.2% blue), or CMYK 0 / 24 / 20 / 68 for print. Curious how these numbers work? Read our RGB color codes guide.

#51151F is a pleasantly vivid warm red that carries a shadowy depth. It is a natural fit for moody backdrops, typography on light surfaces and premium packaging. In The Official Register of Color Names it is almost identical to JayHawk Red (#58181F). Nearby in the Register you will also find Red Baron (#511D22) and Rendezvous (#561426).

Technically, the mix leans on its red channel (rgb(81, 21, 31)), which gives #51151F its character. On this background, white text reaches a 14.2:1 contrast ratio (passing WCAG AAA); black stays at 1.5:1. For print, note the heavy black component (K:68) — ink coverage matters with tones this deep. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#51151F color variations

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

#51151F 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 #51151F

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

JayHawk Red color link
JayHawk Red

#58181F

Red Baron color link
Red Baron

#511D22

Rendezvous color link
Rendezvous

#561426

Speed Demon color link
Speed Demon

#551B24

Mayhem color link
Mayhem

#4D1B25

Cocoa Bean color link
Cocoa Bean

#481C1C

Maroon Oak color link
Maroon Oak

#520C17

Encore color link
Encore

#54162C

Heath color link
Heath

#541012

Rialto color link
Rialto

#4C2322

Conversions between color systems and etc.

  • HEX#51151F
  • RGB81, 21, 31
  • CMYK0, 24, 20, 68
  • CSSrgb(81, 21, 31)
  • HSL350°, 59%, 20%
  • HSL Precise350°, 58.824%, 20%
  • HSV350°, 74%, 32%
  • HSB350°, 74%, 32%
  • Normalized R (0.0–1.0)0.318
  • Normalized G (0.0–1.0)0.082
  • Normalized B (0.0–1.0)0.122
  • GLSLvec3(0.318, 0.082, 0.122)
  • GLSL with alphavec4(0.318, 0.082, 0.122, 1.000)
  • HLSL / Metalfloat3(0.318, 0.082, 0.122)
  • Percentage of Red in RGB31.8%
  • Percentage of Green in RGB8.2%
  • Percentage of Blue in RGB12.2%
  • Color FamilyRed
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID51151F
  • DECIMAL ID5313823
  • Name LengthThis color has no name
  • Seen by search & AI crawlers313 times
  • Counting from2025-01-01