Information about #151537 color

#151537 color image

Basic facts about this digital color

In the Register's classification, #151537 belongs to the Blue Color Family, featuring Moderate Saturation and Dark brightness. In numbers: rgb(21, 21, 55) (8.2% red, 8.2% green, 21.6% blue), or CMYK 13 / 13 / 0 / 78 for print. New to color codes? See our guide to RGB color codes.

A clearly saturated classic blue, #151537 leans clearly toward the dark side. Designers typically reach for tones like this for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is very close to Elderberry (#17182B). Its next-closest registered neighbors are I am Core Group International (#151529) and Nite Life (#1D2134).

Technically, the mix leans on its blue channel (rgb(21, 21, 55)), which gives #151537 its character. Accessibility-wise, white text works best on #151537: 17.6:1 contrast (passing WCAG AAA) versus 1.2:1 for black. On paper it relies strongly on black ink (K:78), so proof dark layouts before a large print run. #151537 has no official name yet. If this shade means something to you, you can be the one to name it.

#151537 color variations

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

#151537 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 #151537

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

Coarse Wool color link
Coarse Wool

#181B26

Tangaroa color link
Tangaroa

#03163C

Titans Navy color link
Titans Navy

#0C2340

Deep Cove color link
Deep Cove

#051040

Surfs Up color link
Surfs Up

#1F2142

Daytona color link
Daytona

#1E222C

Conversions between color systems and etc.

  • HEX#151537
  • RGB21, 21, 55
  • CMYK13, 13, 0, 78
  • CSSrgb(21, 21, 55)
  • HSL240°, 45%, 15%
  • HSL Precise240°, 44.737%, 14.902%
  • HSV240°, 62%, 22%
  • HSB240°, 62%, 22%
  • Normalized R (0.0–1.0)0.082
  • Normalized G (0.0–1.0)0.082
  • Normalized B (0.0–1.0)0.216
  • GLSLvec3(0.082, 0.082, 0.216)
  • GLSL with alphavec4(0.082, 0.082, 0.216, 1.000)
  • HLSL / Metalfloat3(0.082, 0.082, 0.216)
  • Percentage of Red in RGB8.2%
  • Percentage of Green in RGB8.2%
  • Percentage of Blue in RGB21.6%
  • Color FamilyBlue
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID151537
  • DECIMAL ID1381687
  • Name LengthThis color has no name
  • Seen by search & AI crawlers15 times
  • Counting from2025-01-01