Information about #151538 color

#151538 color image

Basic facts about this digital color

In the Register's classification, #151538 belongs to the Blue Color Family, featuring Moderate Saturation and Dark brightness. In numbers: rgb(21, 21, 56) (8.2% red, 8.2% green, 22% blue), or CMYK 14 / 14 / 0 / 78 for print. Curious how these numbers work? Read our RGB color codes guide.

A confidently colored deep-sea blue, #151538 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 very close to Elderberry (#17182B). Nearby in the Register you will also find Nite Life (#1D2134) and I am Core Group International (#151529).

In RGB terms — rgb(21, 21, 56) — the blue channel does the heavy lifting here. If you plan to put text on a #151538 background, choose white — the contrast ratio is 17.6:1 (passing WCAG AAA), while black manages only 1.2:1. On paper it relies strongly on black ink (K:78), so proof dark layouts before a large print run. #151538 has no official name yet. If this shade means something to you, you can be the one to name it.

#151538 color variations

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

#151538 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 #151538

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

Elderberry color link
Elderberry

#17182B

Nite Life color link
Nite Life

#1D2134

Magnum color link
Magnum

#112331

Dark color link
Dark

#1B2431

Tangaroa color link
Tangaroa

#03163C

Titans Navy color link
Titans Navy

#0C2340

Surfs Up color link
Surfs Up

#1F2142

Deep Cove color link
Deep Cove

#051040

Coarse Wool color link
Coarse Wool

#181B26

Daytona color link
Daytona

#1E222C

Conversions between color systems and etc.

  • HEX#151538
  • RGB21, 21, 56
  • CMYK14, 14, 0, 78
  • CSSrgb(21, 21, 56)
  • HSL240°, 45%, 15%
  • HSL Precise240°, 45.455%, 15.098%
  • HSV240°, 63%, 22%
  • HSB240°, 63%, 22%
  • Normalized R (0.0–1.0)0.082
  • Normalized G (0.0–1.0)0.082
  • Normalized B (0.0–1.0)0.220
  • GLSLvec3(0.082, 0.082, 0.220)
  • GLSL with alphavec4(0.082, 0.082, 0.220, 1.000)
  • HLSL / Metalfloat3(0.082, 0.082, 0.220)
  • Percentage of Red in RGB8.2%
  • Percentage of Green in RGB8.2%
  • Percentage of Blue in RGB22%
  • Color FamilyBlue
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID151538
  • DECIMAL ID1381688
  • Name LengthThis color has no name
  • Seen by search & AI crawlers10 times
  • Counting from2025-01-01