Information about #A21A21 color

#A21A21 color image

Basic facts about this digital color

In the Register's classification, #A21A21 belongs to the Red Color Family, featuring High Saturation and Neutral brightness. The mix behind it: rgb(162, 26, 33) — 63.5% red, 10.2% green, 12.9% blue; the print equivalent is CMYK 0 / 53 / 51 / 36. New to color codes? See our guide to RGB color codes.

The color #A21A21 reads as a vivid, lively red and occupies the middle of the lightness scale. Designers typically reach for tones like this for accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is almost identical to Pulse (#A41D19). Slightly further away sit Rambutan Red (#A72127) and Ruby Red (#9B111E).

Technically, the mix leans on its red channel (rgb(162, 26, 33)), which gives #A21A21 its character. Accessibility-wise, white text works best on #A21A21: 7.8:1 contrast (passing WCAG AAA) versus 2.7:1 for black. No one has named #A21A21 so far. Register a name for it and it becomes a permanent record.

#A21A21 color variations

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

#A21A21 color tints

Tints look brighter, pastel, and less intense.
#A21A21

Color has no name
#D9232C

Color has no name
#E45960

Color has no name
#ED9095

Color has no name
#F6C7CA

Color has no name
White

#FFFFFF

#A21A21 color shades

Shades look darker, richer, and more solid.
#A21A21

Color has no name
#81151A

Color has no name
#610F13

Color has no name
#400A0D

Color has no name
#200506

Color has no name
Black

#000000

#A21A21 color tones

Tones looks more sophisticated and complex than base colors.
#A21A21

Color has no name
#9F2A30

Color has no name
#9A3D41

Color has no name
#935154

Color has no name
#8A6769

Color has no name
Grey

#808080

#A21A21 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#8DA21A

Color has no name
#A2801A

Color has no name
#A2491A

Color has no name
#A21A21

Color has no name
#A21A57

Color has no name
#A21A8D

Color has no name
#801AA2

Color has no name

#A21A21 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
#A21A21
#A21A21

Color has no name

#1AA29B
#1AA29B

Color has no name

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
#A21A21
#A21A21

Color has no name

#1A65A2
#1A65A2

Color has no name

#1AA258
#1AA258

Color has no name

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
#A2581A
#A2581A

Color has no name

#A21A21
#A21A21

Color has no name

#A21A65
#A21A65

Color has no name

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
#A21A21
#A21A21

Color has no name

#21A21A
#21A21A

Color has no name

#1A21A2
#1A21A2

Color has no name

Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme
#A21A21
#A21A21

Color has no name

#A29B1A
#A29B1A

Color has no name

#1AA29B
#1AA29B

Color has no name

#1A21A2
#1A21A2

Color has no name

Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme
#A21A21
#A21A21

Color has no name

#65A21A
#65A21A

Color has no name

#1AA29B
#1AA29B

Color has no name

#581AA2
#581AA2

Color has no name

Nearest named colors to #A21A21

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

Pulse color link
Pulse

#A41D19

Rambutan Red color link
Rambutan Red

#A72127

Ruby Red color link
Ruby Red

#9B111E

Rosy Red color link
Rosy Red

#A11A2E

Spartan Crimson color link
Spartan Crimson

#9E1316

Netherlands Red color link
Netherlands Red

#AE1C28

Del Toro color link
Del Toro

#B11D20

Upsdell Red color link
Upsdell Red

#AE2029

Falcons Red color link
Falcons Red

#A71930

Scarlet Sage color link
Scarlet Sage

#9D202F

Bonfire color link
Bonfire

#A62A20

Royal Red color link
Royal Red

#9B1C31

#A21A21 color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

#A21A21 color image #A21A21 color ORCN HD wallpaper 3840x2160 (Desktop)
#A21A21 color image #A21A21 color ORCN HD wallpaper 1170x2532 (Mobile)
#A21A21 color image #A21A21 color solid HD wallpaper 3840x2160 (Desktop)
#A21A21 color image #A21A21 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#A21A21
  • RGB162, 26, 33
  • CMYK0, 53, 51, 36
  • CSSrgb(162, 26, 33)
  • HSL357°, 72%, 37%
  • HSL Precise356.912°, 72.34%, 36.863%
  • HSV357°, 84%, 64%
  • HSB357°, 84%, 64%
  • Normalized R (0.0–1.0)0.635
  • Normalized G (0.0–1.0)0.102
  • Normalized B (0.0–1.0)0.129
  • GLSLvec3(0.635, 0.102, 0.129)
  • GLSL with alphavec4(0.635, 0.102, 0.129, 1.000)
  • HLSL / Metalfloat3(0.635, 0.102, 0.129)
  • Percentage of Red in RGB63.5%
  • Percentage of Green in RGB10.2%
  • Percentage of Blue in RGB12.9%
  • Color Family (Hue)Red
  • Saturation FamilyHigh Saturation
  • Lightness FamilyNeutral
  • HEX IDA21A21
  • DECIMAL ID10623521
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01

Copyright © 2021-2026 The Official Register of Color Names. All Rights Reserved.