Information about #51020C color

#51020C color image

Basic facts about this digital color

In the Register's classification, #51020C belongs to the Red Color Family, featuring Full Saturation and Dark brightness. In numbers: rgb(81, 2, 12) (31.8% red, 0.8% green, 4.7% blue), or CMYK 0 / 31 / 27 / 68 for print. Curious how these numbers work? Read our RGB color codes guide.

#51020C presents itself as a maximally vivid earthy red — one 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 Marcels Burgundy (#4D0211). Nearby in the Register you will also find Deep Amaranth (#59000B) and Dark Chocolate (#490206).

The recipe behind #51020C is rgb(81, 2, 12), with red as the dominant ingredient. If you plan to put text on a #51020C background, choose white — the contrast ratio is 15.4:1 (passing WCAG AAA), while black manages only 1.4:1. On paper it relies strongly on black ink (K:68), so proof dark layouts before a large print run. #51020C has no official name yet. If this shade means something to you, you can be the one to name it.

#51020C color variations

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

#51020C 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 #51020C

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#51020C
  • RGB81, 2, 12
  • CMYK0, 31, 27, 68
  • CSSrgb(81, 2, 12)
  • HSL352°, 95%, 16%
  • HSL Precise352.405°, 95.181%, 16.275%
  • HSV352°, 98%, 32%
  • HSB352°, 98%, 32%
  • Normalized R (0.0–1.0)0.318
  • Normalized G (0.0–1.0)0.008
  • Normalized B (0.0–1.0)0.047
  • GLSLvec3(0.318, 0.008, 0.047)
  • GLSL with alphavec4(0.318, 0.008, 0.047, 1.000)
  • HLSL / Metalfloat3(0.318, 0.008, 0.047)
  • Percentage of Red in RGB31.8%
  • Percentage of Green in RGB0.8%
  • Percentage of Blue in RGB4.7%
  • Color FamilyRed
  • Saturation FamilyFull Saturation
  • Lightness FamilyDark
  • HEX ID51020C
  • DECIMAL ID5308940
  • Name LengthThis color has no name
  • Seen by search & AI crawlers17 times
  • Counting from2025-01-01