Information about #A21907 color

#A21907 color image

Basic facts about this digital color

In the Register's classification, #A21907 belongs to the Red Color Family, featuring Full Saturation and Neutral brightness. The mix behind it: rgb(162, 25, 7) — 63.5% red, 9.8% green, 2.7% blue; the print equivalent is CMYK 0 / 54 / 61 / 36. New to color codes? See our guide to RGB color codes.

#A21907 is a intensely saturated warm red that sits comfortably between light and dark. In practice it works well for bold branding moments and attention-grabbing details. In The Official Register of Color Names it is a hair away from Rufous (#A81C07). Nearby in the Register you will also find Red Thread (#A81900) and Strong Scarlet (#A81500).

Technically, the mix leans on its red channel (rgb(162, 25, 7)), which gives #A21907 its character. If you plan to put text on a #A21907 background, choose white — the contrast ratio is 7.8:1 (passing WCAG AAA), while black manages only 2.7:1. Out of 16,777,216 possible colors, #A21907 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#A21907 color variations

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

#A21907 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 #A21907

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

Rufous color link
Rufous

#A81C07

Red Thread color link
Red Thread

#A81900

Burnt Red color link
Burnt Red

#9F2305

Tomato Sauce color link
Tomato Sauce

#B21807

Rust Red color link
Rust Red

#AA2704

Tabasco color link
Tabasco

#A02712

Pulse color link
Pulse

#A41D19

Vibrant Ruby color link
Vibrant Ruby

#A7080D

Conversions between color systems and etc.

  • HEX#A21907
  • RGB162, 25, 7
  • CMYK0, 54, 61, 36
  • CSSrgb(162, 25, 7)
  • HSL7°, 92%, 33%
  • HSL Precise6.968°, 91.716%, 33.137%
  • HSV7°, 96%, 64%
  • HSB7°, 96%, 64%
  • Normalized R (0.0–1.0)0.635
  • Normalized G (0.0–1.0)0.098
  • Normalized B (0.0–1.0)0.027
  • GLSLvec3(0.635, 0.098, 0.027)
  • GLSL with alphavec4(0.635, 0.098, 0.027, 1.000)
  • HLSL / Metalfloat3(0.635, 0.098, 0.027)
  • Percentage of Red in RGB63.5%
  • Percentage of Green in RGB9.8%
  • Percentage of Blue in RGB2.7%
  • Color FamilyRed
  • Saturation FamilyFull Saturation
  • Lightness FamilyNeutral
  • HEX IDA21907
  • DECIMAL ID10623239
  • Name LengthThis color has no name
  • Seen by search & AI crawlers14 times
  • Counting from2025-01-01