Information about #B51D20 color

#B51D20 color image

Basic facts about this digital color

The digital color #B51D20 is classified in the Register under the Red Color Family, with High Saturation and Light brightness. In numbers: rgb(181, 29, 32) (71% red, 11.4% green, 12.5% blue), or CMYK 0 / 60 / 58 / 29 for print. Curious how these numbers work? Read our RGB color codes guide.

#B51D20 is a strongly colored earthy red that feels open and friendly. It is a natural fit for bold branding moments and attention-grabbing details. In The Official Register of Color Names it is almost identical to Red Cola (#B62020). Its next-closest registered neighbors are Del Toro (#B11D20) and Carnelian (#B31B1B).

The recipe behind #B51D20 is rgb(181, 29, 32), with red as the dominant ingredient. If you plan to put text on a #B51D20 background, choose white — the contrast ratio is 6.6:1 (passing WCAG AA), while black manages only 3.2:1. No one has named #B51D20 so far. Register a name for it and it becomes a permanent record.

#B51D20 color variations

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

#B51D20 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 #B51D20

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

Red Cola color link
Red Cola

#B62020

Del Toro color link
Del Toro

#B11D20

Carnelian color link
Carnelian

#B31B1B

Firebrick color link
Firebrick

#B22222

Murdoc Red color link
Murdoc Red

#BC161C

Upsdell Red color link
Upsdell Red

#AE2029

Wine Red color link
Wine Red

#B11226

Vintage Red color link
Vintage Red

#AF2413

Conversions between color systems and etc.

  • HEX#B51D20
  • RGB181, 29, 32
  • CMYK0, 60, 58, 29
  • CSSrgb(181, 29, 32)
  • HSL359°, 72%, 41%
  • HSL Precise358.816°, 72.381%, 41.176%
  • HSV359°, 84%, 71%
  • HSB359°, 84%, 71%
  • Normalized R (0.0–1.0)0.710
  • Normalized G (0.0–1.0)0.114
  • Normalized B (0.0–1.0)0.125
  • GLSLvec3(0.710, 0.114, 0.125)
  • GLSL with alphavec4(0.710, 0.114, 0.125, 1.000)
  • HLSL / Metalfloat3(0.710, 0.114, 0.125)
  • Percentage of Red in RGB71%
  • Percentage of Green in RGB11.4%
  • Percentage of Blue in RGB12.5%
  • Color FamilyRed
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX IDB51D20
  • DECIMAL ID11869472
  • Name LengthThis color has no name
  • Seen by search & AI crawlers8 times
  • Counting from2025-01-01