Information about #421BD1 color

#421BD1 color image

Basic facts about this digital color

#421BD1 falls into the Blue Color FamilyHigh Saturation, Light brightness. Its exact recipe is rgb(66, 27, 209) — 25.9% red, 10.6% green, 82% blue — and for print it converts to CMYK 56 / 71 / 0 / 18. New to color codes? See our guide to RGB color codes.

#421BD1 is a strongly colored deep-sea blue that feels open and friendly. In practice it works well for accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is very close to Interdimensional Blue (#360CCC). Its next-closest registered neighbors are Blue Purple (#5729CE) and Borderline Blue (#413AC6).

The recipe behind #421BD1 is rgb(66, 27, 209), with blue as the dominant ingredient. Accessibility-wise, white text works best on #421BD1: 9.1:1 contrast (passing WCAG AAA) versus 2.3:1 for black. #421BD1 has no official name yet. If this shade means something to you, you can be the one to name it.

#421BD1 color variations

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

#421BD1 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 #421BD1

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#421BD1
  • RGB66, 27, 209
  • CMYK56, 71, 0, 18
  • CSSrgb(66, 27, 209)
  • HSL253°, 77%, 46%
  • HSL Precise252.857°, 77.119%, 46.275%
  • HSV253°, 87%, 82%
  • HSB253°, 87%, 82%
  • Normalized R (0.0–1.0)0.259
  • Normalized G (0.0–1.0)0.106
  • Normalized B (0.0–1.0)0.820
  • GLSLvec3(0.259, 0.106, 0.820)
  • GLSL with alphavec4(0.259, 0.106, 0.820, 1.000)
  • HLSL / Metalfloat3(0.259, 0.106, 0.820)
  • Percentage of Red in RGB25.9%
  • Percentage of Green in RGB10.6%
  • Percentage of Blue in RGB82%
  • Color FamilyBlue
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX ID421BD1
  • DECIMAL ID4332497
  • Name LengthThis color has no name
  • Seen by search & AI crawlers11 times
  • Counting from2025-01-01