Information about #A21618 color

#A21618 color image

Basic facts about this digital color

The digital color #A21618 is classified in the Register under the Red Color Family, with High Saturation and Neutral brightness. Its exact recipe is rgb(162, 22, 24) — 63.5% red, 8.6% green, 9.4% blue — and for print it converts to CMYK 0 / 55 / 54 / 36. Curious how these numbers work? Read our RGB color codes guide.

A energetic, saturated red, #A21618 sits comfortably between light and dark. Expect to see shades like this in logos, highlights and anything that needs to be noticed first. In The Official Register of Color Names it is a hair away from Spartan Crimson (#9E1316). Nearby in the Register you will also find Pulse (#A41D19) and Ruby Red (#9B111E).

Technically, the mix leans on its red channel (rgb(162, 22, 24)), which gives #A21618 its character. On this background, white text reaches a 7.9:1 contrast ratio (passing WCAG AAA); black stays at 2.7:1. No one has named #A21618 so far. Register a name for it and it becomes a permanent record.

#A21618 color variations

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

#A21618 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 #A21618

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

Ruby Red color link
Ruby Red

#9B111E

Carnelian color link
Carnelian

#B31B1B

Tabasco color link
Tabasco

#A02712

Del Toro color link
Del Toro

#B11D20

Vibrant Ruby color link
Vibrant Ruby

#A7080D

Rufous color link
Rufous

#A81C07

Rambutan Red color link
Rambutan Red

#A72127

Vintage Red color link
Vintage Red

#AF2413

Wine Red color link
Wine Red

#B11226

Conversions between color systems and etc.

  • HEX#A21618
  • RGB162, 22, 24
  • CMYK0, 55, 54, 36
  • CSSrgb(162, 22, 24)
  • HSL359°, 76%, 36%
  • HSL Precise359.143°, 76.087%, 36.078%
  • HSV359°, 86%, 64%
  • HSB359°, 86%, 64%
  • Normalized R (0.0–1.0)0.635
  • Normalized G (0.0–1.0)0.086
  • Normalized B (0.0–1.0)0.094
  • GLSLvec3(0.635, 0.086, 0.094)
  • GLSL with alphavec4(0.635, 0.086, 0.094, 1.000)
  • HLSL / Metalfloat3(0.635, 0.086, 0.094)
  • Percentage of Red in RGB63.5%
  • Percentage of Green in RGB8.6%
  • Percentage of Blue in RGB9.4%
  • Color FamilyRed
  • Saturation FamilyHigh Saturation
  • Lightness FamilyNeutral
  • HEX IDA21618
  • DECIMAL ID10622488
  • Name LengthThis color has no name
  • Seen by search & AI crawlers14 times
  • Counting from2025-01-01