Information about #512021 color

#512021 color image

Basic facts about this digital color

The digital color #512021 is classified in the Register under the Red Color Family, with Moderate Saturation and Dark brightness. In numbers: rgb(81, 32, 33) (31.8% red, 12.5% green, 12.9% blue), or CMYK 0 / 19 / 19 / 68 for print. Curious how these numbers work? Read our RGB color codes guide.

The color #512021 reads as a pleasantly vivid warm red and carries a shadowy depth. Expect to see shades like this in night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is practically indistinguishable from Red Baron (#511D22). Nearby in the Register you will also find Rialto (#4C2322) and Scoria (#532620).

The recipe behind #512021 is rgb(81, 32, 33), with red as the dominant ingredient. If you plan to put text on a #512021 background, choose white — the contrast ratio is 13.3:1 (passing WCAG AAA), while black manages only 1.6:1. For print, note the heavy black component (K:68) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #512021 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#512021 color variations

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

#512021 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 #512021

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

Red Baron color link
Red Baron

#511D22

Rialto color link
Rialto

#4C2322

Scoria color link
Scoria

#532620

Lonestar color link
Lonestar

#522426

Nelson Red color link
Nelson Red

#4F2525

Speed Demon color link
Speed Demon

#551B24

Mayhem color link
Mayhem

#4D1B25

Volcano color link
Volcano

#4E2728

Zibibbo color link
Zibibbo

#51242B

Renegade color link
Renegade

#592228

Conversions between color systems and etc.

  • HEX#512021
  • RGB81, 32, 33
  • CMYK0, 19, 19, 68
  • CSSrgb(81, 32, 33)
  • HSL359°, 43%, 22%
  • HSL Precise358.776°, 43.363%, 22.157%
  • HSV359°, 60%, 32%
  • HSB359°, 60%, 32%
  • Normalized R (0.0–1.0)0.318
  • Normalized G (0.0–1.0)0.125
  • Normalized B (0.0–1.0)0.129
  • GLSLvec3(0.318, 0.125, 0.129)
  • GLSL with alphavec4(0.318, 0.125, 0.129, 1.000)
  • HLSL / Metalfloat3(0.318, 0.125, 0.129)
  • Percentage of Red in RGB31.8%
  • Percentage of Green in RGB12.5%
  • Percentage of Blue in RGB12.9%
  • Color FamilyRed
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID512021
  • DECIMAL ID5316641
  • Name LengthThis color has no name
  • Seen by search & AI crawlers11 times
  • Counting from2025-01-01