Information about #251F56 color

#251F56 color image

Basic facts about this digital color

In the Register's classification, #251F56 belongs to the Blue Color Family, featuring Moderate Saturation and Dark brightness. The mix behind it: rgb(37, 31, 86) — 14.5% red, 12.2% green, 33.7% blue; the print equivalent is CMYK 19 / 22 / 0 / 66. Curious how these numbers work? Read our RGB color codes guide.

The color #251F56 reads as a pleasantly vivid classic blue and carries a shadowy depth. Expect to see shades like this in night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Blast Off (#262857). Nearby in the Register you will also find Paua (#2A2551) and Dark Persian Blue (#2D2759).

The recipe behind #251F56 is rgb(37, 31, 86), with blue as the dominant ingredient. If you plan to put text on a #251F56 background, choose white — the contrast ratio is 14.9:1 (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. Out of 16,777,216 possible colors, #251F56 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#251F56 color variations

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

#251F56 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 #251F56

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

Blast Off color link
Blast Off

#262857

Paua color link
Paua

#2A2551

OSS Blue color link
OSS Blue

#1B2450

Space Cadet color link
Space Cadet

#1D2951

Lucky Point color link
Lucky Point

#292D4F

Violet Noir color link
Violet Noir

#2E1F47

Paris M color link
Paris M

#312760

Aviator color link
Aviator

#2A3057

Conversions between color systems and etc.

  • HEX#251F56
  • RGB37, 31, 86
  • CMYK19, 22, 0, 66
  • CSSrgb(37, 31, 86)
  • HSL247°, 47%, 23%
  • HSL Precise246.545°, 47.009%, 22.941%
  • HSV247°, 64%, 34%
  • HSB247°, 64%, 34%
  • Normalized R (0.0–1.0)0.145
  • Normalized G (0.0–1.0)0.122
  • Normalized B (0.0–1.0)0.337
  • GLSLvec3(0.145, 0.122, 0.337)
  • GLSL with alphavec4(0.145, 0.122, 0.337, 1.000)
  • HLSL / Metalfloat3(0.145, 0.122, 0.337)
  • Percentage of Red in RGB14.5%
  • Percentage of Green in RGB12.2%
  • Percentage of Blue in RGB33.7%
  • Color FamilyBlue
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID251F56
  • DECIMAL ID2432854
  • Name LengthThis color has no name
  • Seen by search & AI crawlers23 times
  • Counting from2025-01-01