Information about #A81521 color

#A81521 color image

Basic facts about this digital color

The digital color #A81521 is classified in the Register under the Red Color Family, with High Saturation and Neutral brightness. Its exact recipe is rgb(168, 21, 33) — 65.9% red, 8.2% green, 12.9% blue — and for print it converts to CMYK 0 / 58 / 53 / 34. New to color codes? See our guide to RGB color codes.

A vivid, lively red, #A81521 sits comfortably between light and dark. Designers typically reach for tones like this for bold branding moments and attention-grabbing details. In The Official Register of Color Names it is a near neighbor of Wine Red (#B11226). Nearby in the Register you will also find Netherlands Red (#AE1C28) and Pulse (#A41D19).

In RGB terms — rgb(168, 21, 33) — the red channel does the heavy lifting here. If you plan to put text on a #A81521 background, choose white — the contrast ratio is 7.5:1 (passing WCAG AAA), while black manages only 2.8:1. Out of 16,777,216 possible colors, #A81521 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#A81521 color variations

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

#A81521 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 #A81521

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

Pulse color link
Pulse

#A41D19

Del Toro color link
Del Toro

#B11D20

Rambutan Red color link
Rambutan Red

#A72127

Carnelian color link
Carnelian

#B31B1B

Ruby Red color link
Ruby Red

#9B111E

Upsdell Red color link
Upsdell Red

#AE2029

Falcons Red color link
Falcons Red

#A71930

Rosy Red color link
Rosy Red

#A11A2E

Firebrick color link
Firebrick

#B22222

Conversions between color systems and etc.

  • HEX#A81521
  • RGB168, 21, 33
  • CMYK0, 58, 53, 34
  • CSSrgb(168, 21, 33)
  • HSL355°, 78%, 37%
  • HSL Precise355.102°, 77.778%, 37.059%
  • HSV355°, 88%, 66%
  • HSB355°, 88%, 66%
  • Normalized R (0.0–1.0)0.659
  • Normalized G (0.0–1.0)0.082
  • Normalized B (0.0–1.0)0.129
  • GLSLvec3(0.659, 0.082, 0.129)
  • GLSL with alphavec4(0.659, 0.082, 0.129, 1.000)
  • HLSL / Metalfloat3(0.659, 0.082, 0.129)
  • Percentage of Red in RGB65.9%
  • Percentage of Green in RGB8.2%
  • Percentage of Blue in RGB12.9%
  • Color FamilyRed
  • Saturation FamilyHigh Saturation
  • Lightness FamilyNeutral
  • HEX IDA81521
  • DECIMAL ID11015457
  • Name LengthThis color has no name
  • Seen by search & AI crawlers14 times
  • Counting from2025-01-01