Information about #15104A color

#15104A color image

Basic facts about this digital color

#15104A falls into the Blue Color Family — High Saturation, Dark brightness. Its exact recipe is rgb(21, 16, 74) — 8.2% red, 6.3% green, 29% blue — and for print it converts to CMYK 21 / 23 / 0 / 71. New to color codes? See our guide to RGB color codes.

The color #15104A reads as a strongly colored classic blue and stays on the darker end of the scale. Designers typically reach for tones like this for moody backdrops, typography on light surfaces and premium packaging. In The Official Register of Color Names it is a near neighbor of Jenniebear Blue (#111154). Slightly further away sit Dark Indigo (#1F0954) and Tolopea (#1B0245).

The recipe behind #15104A is rgb(21, 16, 74), with blue as the dominant ingredient. On this background, white text reaches a 17.4:1 contrast ratio (passing WCAG AAA); black stays at 1.2:1. On paper it relies strongly on black ink (K:71), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #15104A is still unnamed — it can be claimed and named in The Official Register of Color Names.

#15104A color variations

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

#15104A 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 #15104A

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

Dark Indigo color link
Dark Indigo

#1F0954

Tolopea color link
Tolopea

#1B0245

Royal Indigo color link
Royal Indigo

#240952

Deep Cove color link
Deep Cove

#051040

Surfs Up color link
Surfs Up

#1F2142

Gulf Blue color link
Gulf Blue

#051657

Night Blue color link
Night Blue

#040348

OSS Blue color link
OSS Blue

#1B2450

Deep Indigo color link
Deep Indigo

#160059

Conversions between color systems and etc.

  • HEX#15104A
  • RGB21, 16, 74
  • CMYK21, 23, 0, 71
  • CSSrgb(21, 16, 74)
  • HSL245°, 64%, 18%
  • HSL Precise245.172°, 64.444%, 17.647%
  • HSV245°, 78%, 29%
  • HSB245°, 78%, 29%
  • Normalized R (0.0–1.0)0.082
  • Normalized G (0.0–1.0)0.063
  • Normalized B (0.0–1.0)0.290
  • GLSLvec3(0.082, 0.063, 0.290)
  • GLSL with alphavec4(0.082, 0.063, 0.290, 1.000)
  • HLSL / Metalfloat3(0.082, 0.063, 0.290)
  • Percentage of Red in RGB8.2%
  • Percentage of Green in RGB6.3%
  • Percentage of Blue in RGB29%
  • Color FamilyBlue
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID15104A
  • DECIMAL ID1380426
  • Name LengthThis color has no name
  • Seen by search & AI crawlers13 times
  • Counting from2025-01-01