Information about #A21525 color

#A21525 color image

Basic facts about this digital color

In the Register's classification, #A21525 belongs to the Red Color Family, featuring High Saturation and Neutral brightness. The mix behind it: rgb(162, 21, 37) — 63.5% red, 8.2% green, 14.5% blue; the print equivalent is CMYK 0 / 55 / 49 / 36. Curious how these numbers work? Read our RGB color codes guide.

The color #A21525 reads as a energetic, saturated earthy red and holds a balanced mid-tone. Expect to see shades like this in bold branding moments and attention-grabbing details. In The Official Register of Color Names it is just a few steps away from Rosy Red (#A11A2E). Its next-closest registered neighbors are Ruby Red (#9B111E) and Falcons Red (#A71930).

The recipe behind #A21525 is rgb(162, 21, 37), with red as the dominant ingredient. If you plan to put text on a #A21525 background, choose white — the contrast ratio is 7.9:1 (passing WCAG AAA), while black manages only 2.7:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#A21525 color variations

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

#A21525 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 #A21525

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

Rosy Red color link
Rosy Red

#A11A2E

Ruby Red color link
Ruby Red

#9B111E

Falcons Red color link
Falcons Red

#A71930

Rambutan Red color link
Rambutan Red

#A72127

Pulse color link
Pulse

#A41D19

Wine Red color link
Wine Red

#B11226

Royal Red color link
Royal Red

#9B1C31

Scarlet Sage color link
Scarlet Sage

#9D202F

Upsdell Red color link
Upsdell Red

#AE2029

Del Toro color link
Del Toro

#B11D20

Conversions between color systems and etc.

  • HEX#A21525
  • RGB162, 21, 37
  • CMYK0, 55, 49, 36
  • CSSrgb(162, 21, 37)
  • HSL353°, 77%, 36%
  • HSL Precise353.191°, 77.049%, 35.882%
  • HSV353°, 87%, 64%
  • HSB353°, 87%, 64%
  • Normalized R (0.0–1.0)0.635
  • Normalized G (0.0–1.0)0.082
  • Normalized B (0.0–1.0)0.145
  • GLSLvec3(0.635, 0.082, 0.145)
  • GLSL with alphavec4(0.635, 0.082, 0.145, 1.000)
  • HLSL / Metalfloat3(0.635, 0.082, 0.145)
  • Percentage of Red in RGB63.5%
  • Percentage of Green in RGB8.2%
  • Percentage of Blue in RGB14.5%
  • Color FamilyRed
  • Saturation FamilyHigh Saturation
  • Lightness FamilyNeutral
  • HEX IDA21525
  • DECIMAL ID10622245
  • Name LengthThis color has no name
  • Seen by search & AI crawlers21 times
  • Counting from2025-01-01