Information about #15505B color

#15505B color image

Basic facts about this digital color

In the Register's classification, #15505B belongs to the Cyan Color Family, featuring High Saturation and Dark brightness. In numbers: rgb(21, 80, 91) (8.2% red, 31.4% green, 35.7% blue), or CMYK 27 / 4 / 0 / 64 for print. Curious how these numbers work? Read our RGB color codes guide.

A vivid, lively cyan, #15505B stays on the darker end of the scale. Expect to see shades like this in dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is practically indistinguishable from Retro (#1B5256). Slightly further away sit Guru (#154C65) and Beatnik (#1F4F54).

Technically, the mix leans on its blue channel (rgb(21, 80, 91)), which gives #15505B its character. Accessibility-wise, white text works best on #15505B: 9.0:1 contrast (passing WCAG AAA) versus 2.3:1 for black. On paper it relies strongly on black ink (K:64), so proof dark layouts before a large print run. No one has named #15505B so far. Register a name for it and it becomes a permanent record.

#15505B color variations

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

#15505B 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 #15505B

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

Retro color link
Retro

#1B5256

Guru color link
Guru

#154C65

Beatnik color link
Beatnik

#1F4F54

Shipshape color link
Shipshape

#21425F

Arapawa color link
Arapawa

#274A5D

JayHawk Blue color link
JayHawk Blue

#194F6E

Regal Blue color link
Regal Blue

#203F58

Push Play color link
Push Play

#21584C

Conversions between color systems and etc.

  • HEX#15505B
  • RGB21, 80, 91
  • CMYK27, 4, 0, 64
  • CSSrgb(21, 80, 91)
  • HSL189°, 63%, 22%
  • HSL Precise189.429°, 62.5%, 21.961%
  • HSV189°, 77%, 36%
  • HSB189°, 77%, 36%
  • Normalized R (0.0–1.0)0.082
  • Normalized G (0.0–1.0)0.314
  • Normalized B (0.0–1.0)0.357
  • GLSLvec3(0.082, 0.314, 0.357)
  • GLSL with alphavec4(0.082, 0.314, 0.357, 1.000)
  • HLSL / Metalfloat3(0.082, 0.314, 0.357)
  • Percentage of Red in RGB8.2%
  • Percentage of Green in RGB31.4%
  • Percentage of Blue in RGB35.7%
  • Color FamilyCyan
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID15505B
  • DECIMAL ID1396827
  • Name LengthThis color has no name
  • Seen by search & AI crawlers17 times
  • Counting from2025-01-01