Information about #B21525 color

#B21525 color image

Basic facts about this digital color

The digital color #B21525 is classified in the Register under the Red Color Family, with High Saturation and Neutral brightness. Its exact recipe is rgb(178, 21, 37) — 69.8% red, 8.2% green, 14.5% blue — and for print it converts to CMYK 0 / 62 / 55 / 30. New to color codes? See our guide to RGB color codes.

A vivid, lively warm red, #B21525 occupies the middle of the lightness scale. Designers typically reach for tones like this for logos, highlights and anything that needs to be noticed first. In The Official Register of Color Names it is a hair away from Wine Red (#B11226). Slightly further away sit Netherlands Red (#AE1C28) and Del Toro (#B11D20).

Technically, the mix leans on its red channel (rgb(178, 21, 37)), which gives #B21525 its character. On this background, white text reaches a 6.9:1 contrast ratio (passing WCAG AA); black stays at 3.0:1. #B21525 has no official name yet. If this shade means something to you, you can be the one to name it.

#B21525 color variations

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

#B21525 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 #B21525

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

Wine Red color link
Wine Red

#B11226

Del Toro color link
Del Toro

#B11D20

Red Pepper color link
Red Pepper

#BB112A

Carnelian color link
Carnelian

#B31B1B

Upsdell Red color link
Upsdell Red

#AE2029

Red Cola color link
Red Cola

#B62020

Firebrick color link
Firebrick

#B22222

Murdoc Red color link
Murdoc Red

#BC161C

Norway Red color link
Norway Red

#BA0C2F

Conversions between color systems and etc.

  • HEX#B21525
  • RGB178, 21, 37
  • CMYK0, 62, 55, 30
  • CSSrgb(178, 21, 37)
  • HSL354°, 79%, 39%
  • HSL Precise353.885°, 78.894%, 39.02%
  • HSV354°, 88%, 70%
  • HSB354°, 88%, 70%
  • Normalized R (0.0–1.0)0.698
  • Normalized G (0.0–1.0)0.082
  • Normalized B (0.0–1.0)0.145
  • GLSLvec3(0.698, 0.082, 0.145)
  • GLSL with alphavec4(0.698, 0.082, 0.145, 1.000)
  • HLSL / Metalfloat3(0.698, 0.082, 0.145)
  • Percentage of Red in RGB69.8%
  • Percentage of Green in RGB8.2%
  • Percentage of Blue in RGB14.5%
  • Color FamilyRed
  • Saturation FamilyHigh Saturation
  • Lightness FamilyNeutral
  • HEX IDB21525
  • DECIMAL ID11670821
  • Name LengthThis color has no name
  • Seen by search & AI crawlers27 times
  • Counting from2025-01-01