Information about #15123E color

#15123E color image

Basic facts about this digital color

In the Register's classification, #15123E belongs to the Blue Color Family, featuring Moderate Saturation and Dark brightness. In numbers: rgb(21, 18, 62) (8.2% red, 7.1% green, 24.3% blue), or CMYK 16 / 17 / 0 / 76 for print. Curious how these numbers work? Read our RGB color codes guide.

A pleasantly vivid blue, #15123E 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 Navy Blue Bellflower (#191F45). Nearby in the Register you will also find Deep Cove (#051040) and Tolopea (#1B0245).

Technically, the mix leans on its blue channel (rgb(21, 18, 62)), which gives #15123E its character. If you plan to put text on a #15123E background, choose white — the contrast ratio is 17.7:1 (passing WCAG AAA), while black manages only 1.2:1. On paper it relies strongly on black ink (K:76), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #15123E is still unnamed — it can be claimed and named in The Official Register of Color Names.

#15123E color variations

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

#15123E 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 #15123E

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

Deep Cove color link
Deep Cove

#051040

Tolopea color link
Tolopea

#1B0245

Surfs Up color link
Surfs Up

#1F2142

Tangaroa color link
Tangaroa

#03163C

Titans Navy color link
Titans Navy

#0C2340

Nite Life color link
Nite Life

#1D2134

Elderberry color link
Elderberry

#17182B

Navy color link
Navy

#01153E

BMA Blue color link
BMA Blue

#00113F

Conversions between color systems and etc.

  • HEX#15123E
  • RGB21, 18, 62
  • CMYK16, 17, 0, 76
  • CSSrgb(21, 18, 62)
  • HSL244°, 55%, 16%
  • HSL Precise244.091°, 55%, 15.686%
  • HSV244°, 71%, 24%
  • HSB244°, 71%, 24%
  • Normalized R (0.0–1.0)0.082
  • Normalized G (0.0–1.0)0.071
  • Normalized B (0.0–1.0)0.243
  • GLSLvec3(0.082, 0.071, 0.243)
  • GLSL with alphavec4(0.082, 0.071, 0.243, 1.000)
  • HLSL / Metalfloat3(0.082, 0.071, 0.243)
  • Percentage of Red in RGB8.2%
  • Percentage of Green in RGB7.1%
  • Percentage of Blue in RGB24.3%
  • Color FamilyBlue
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID15123E
  • DECIMAL ID1380926
  • Name LengthThis color has no name
  • Seen by search & AI crawlers7 times
  • Counting from2025-01-01