Information about #281D57 color

#281D57 color image

Basic facts about this digital color

In the Register's classification, #281D57 belongs to the Blue Color Family, featuring Moderate Saturation and Dark brightness. The mix behind it: rgb(40, 29, 87) — 15.7% red, 11.4% green, 34.1% blue; the print equivalent is CMYK 18 / 23 / 0 / 66. Curious how these numbers work? Read our RGB color codes guide.

#281D57 is a confidently colored blue that leans clearly toward the dark side. It is a natural fit for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is a near neighbor of Paua (#2A2551). Its next-closest registered neighbors are Blast Off (#262857) and Dark Persian Blue (#2D2759).

In RGB terms — rgb(40, 29, 87) — the blue channel does the heavy lifting here. If you plan to put text on a #281D57 background, choose white — the contrast ratio is 15.0:1 (passing WCAG AAA), while black manages only 1.4:1. For print, note the heavy black component (K:66) — 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.

#281D57 color variations

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

#281D57 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 #281D57

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#281D57
  • RGB40, 29, 87
  • CMYK18, 23, 0, 66
  • CSSrgb(40, 29, 87)
  • HSL251°, 50%, 23%
  • HSL Precise251.379°, 50%, 22.745%
  • HSV251°, 67%, 34%
  • HSB251°, 67%, 34%
  • Normalized R (0.0–1.0)0.157
  • Normalized G (0.0–1.0)0.114
  • Normalized B (0.0–1.0)0.341
  • GLSLvec3(0.157, 0.114, 0.341)
  • GLSL with alphavec4(0.157, 0.114, 0.341, 1.000)
  • HLSL / Metalfloat3(0.157, 0.114, 0.341)
  • Percentage of Red in RGB15.7%
  • Percentage of Green in RGB11.4%
  • Percentage of Blue in RGB34.1%
  • Color FamilyBlue
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID281D57
  • DECIMAL ID2628951
  • Name LengthThis color has no name
  • Seen by search & AI crawlers13 times
  • Counting from2025-01-01