Information about #8B1B21 color

#8B1B21 color image

Basic facts about this digital color

In the Register's classification, #8B1B21 belongs to the Red Color Family, featuring High Saturation and Neutral brightness. The mix behind it: rgb(139, 27, 33) — 54.5% red, 10.6% green, 12.9% blue; the print equivalent is CMYK 0 / 44 / 42 / 45. Curious how these numbers work? Read our RGB color codes guide.

The color #8B1B21 reads as a vivid, lively warm red and sits comfortably between light and dark. Expect to see shades like this in bold branding moments and attention-grabbing details. In The Official Register of Color Names it is almost identical to True Red (#8F1D21). Nearby in the Register you will also find Strawberry Jam (#8B171A) and OU Crimson Red (#841617).

Technically, the mix leans on its red channel (rgb(139, 27, 33)), which gives #8B1B21 its character. If you plan to put text on a #8B1B21 background, choose white — the contrast ratio is 9.2:1 (passing WCAG AAA), while black manages only 2.3:1. Out of 16,777,216 possible colors, #8B1B21 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#8B1B21 color variations

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

#8B1B21 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 #8B1B21

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

True Red color link
True Red

#8F1D21

Antique Ruby color link
Antique Ruby

#841B2D

Vivid Auburn color link
Vivid Auburn

#922724

Falu Red color link
Falu Red

#801818

Fast Lane color link
Fast Lane

#892431

Bullseye color link
Bullseye

#7D222B

Fedefu Red color link
Fedefu Red

#7C1319

Flame Red color link
Flame Red

#86282E

Ruby Red color link
Ruby Red

#9B111E

Conversions between color systems and etc.

  • HEX#8B1B21
  • RGB139, 27, 33
  • CMYK0, 44, 42, 45
  • CSSrgb(139, 27, 33)
  • HSL357°, 67%, 33%
  • HSL Precise356.786°, 67.47%, 32.549%
  • HSV357°, 81%, 55%
  • HSB357°, 81%, 55%
  • Normalized R (0.0–1.0)0.545
  • Normalized G (0.0–1.0)0.106
  • Normalized B (0.0–1.0)0.129
  • GLSLvec3(0.545, 0.106, 0.129)
  • GLSL with alphavec4(0.545, 0.106, 0.129, 1.000)
  • HLSL / Metalfloat3(0.545, 0.106, 0.129)
  • Percentage of Red in RGB54.5%
  • Percentage of Green in RGB10.6%
  • Percentage of Blue in RGB12.9%
  • Color FamilyRed
  • Saturation FamilyHigh Saturation
  • Lightness FamilyNeutral
  • HEX ID8B1B21
  • DECIMAL ID9116449
  • Name LengthThis color has no name
  • Seen by search & AI crawlers6 times
  • Counting from2025-01-01