Information about #403B51 color

#403B51 color image

Basic facts about this digital color

In the Register's classification, #403B51 belongs to the Blue Color Family, featuring Low Saturation and Neutral brightness. The mix behind it: rgb(64, 59, 81) — 25.1% red, 23.1% green, 31.8% blue; the print equivalent is CMYK 7 / 9 / 0 / 68. New to color codes? See our guide to RGB color codes.

The color #403B51 reads as a softly toned deep-sea blue and occupies the middle of the lightness scale. Designers typically reach for tones like this for versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is almost identical to Catwalk (#3D3E4C). Slightly further away sit Warlord (#45404F) and Soft Charcoal (#3E414A).

The recipe behind #403B51 is rgb(64, 59, 81), with blue as the dominant ingredient. Accessibility-wise, white text works best on #403B51: 10.7:1 contrast (passing WCAG AAA) versus 2.0:1 for black. For print, note the heavy black component (K:68) — ink coverage matters with tones this deep. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#403B51 color variations

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

#403B51 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 #403B51

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

Catwalk color link
Catwalk

#3D3E4C

Warlord color link
Warlord

#45404F

Sputnik color link
Sputnik

#373E54

Martinique color link
Martinique

#3C3748

Skywater color link
Skywater

#404653

Cloud Burst color link
Cloud Burst

#353E4F

Rhino color link
Rhino

#3D4653

Liquid Metal color link
Liquid Metal

#3E4147

Arsenic color link
Arsenic

#3B444B

Vortex color link
Vortex

#3A385B

Conversions between color systems and etc.

  • HEX#403B51
  • RGB64, 59, 81
  • CMYK7, 9, 0, 68
  • CSSrgb(64, 59, 81)
  • HSL254°, 16%, 27%
  • HSL Precise253.636°, 15.714%, 27.451%
  • HSV254°, 27%, 32%
  • HSB254°, 27%, 32%
  • Normalized R (0.0–1.0)0.251
  • Normalized G (0.0–1.0)0.231
  • Normalized B (0.0–1.0)0.318
  • GLSLvec3(0.251, 0.231, 0.318)
  • GLSL with alphavec4(0.251, 0.231, 0.318, 1.000)
  • HLSL / Metalfloat3(0.251, 0.231, 0.318)
  • Percentage of Red in RGB25.1%
  • Percentage of Green in RGB23.1%
  • Percentage of Blue in RGB31.8%
  • Color FamilyBlue
  • Saturation FamilyLow Saturation
  • Lightness FamilyNeutral
  • HEX ID403B51
  • DECIMAL ID4209489
  • Name LengthThis color has no name
  • Seen by search & AI crawlers12 times
  • Counting from2025-01-01