Information about #21063A color

#21063A color image

Basic facts about this digital color

#21063A falls into the Violet Color Family — High Saturation, Dark brightness. The mix behind it: rgb(33, 6, 58) — 12.9% red, 2.4% green, 22.7% blue; the print equivalent is CMYK 10 / 20 / 0 / 77. New to color codes? See our guide to RGB color codes.

#21063A presents itself as a vivid, lively blue-purple violet — one that stays on the darker end of the scale. In practice it works well for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is a hair away from Midnight Purple (#280137). Slightly further away sit Very Dark Purple (#2A0134) and Hollow Purple (#1C0245).

The recipe behind #21063A is rgb(33, 6, 58), with blue as the dominant ingredient. Accessibility-wise, white text works best on #21063A: 18.2:1 contrast (passing WCAG AAA) versus 1.2:1 for black. For print, note the heavy black component (K:77) — ink coverage matters with tones this deep. No one has named #21063A so far. Register a name for it and it becomes a permanent record.

#21063A color variations

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

#21063A 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 #21063A

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

Conversions between color systems and etc.

  • HEX#21063A
  • RGB33, 6, 58
  • CMYK10, 20, 0, 77
  • CSSrgb(33, 6, 58)
  • HSL271°, 81%, 13%
  • HSL Precise271.154°, 81.25%, 12.549%
  • HSV271°, 90%, 23%
  • HSB271°, 90%, 23%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.024
  • Normalized B (0.0–1.0)0.227
  • GLSLvec3(0.129, 0.024, 0.227)
  • GLSL with alphavec4(0.129, 0.024, 0.227, 1.000)
  • HLSL / Metalfloat3(0.129, 0.024, 0.227)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB2.4%
  • Percentage of Blue in RGB22.7%
  • Color FamilyViolet
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID21063A
  • DECIMAL ID2164282
  • Name LengthThis color has no name
  • Seen by search & AI crawlers16 times
  • Counting from2025-01-01