Information about #15373C color

#15373C color image

Basic facts about this digital color

In the Register's classification, #15373C belongs to the Cyan Color Family, featuring Moderate Saturation and Dark brightness. In numbers: rgb(21, 55, 60) (8.2% red, 21.6% green, 23.5% blue), or CMYK 15 / 2 / 0 / 76 for print. Curious how these numbers work? Read our RGB color codes guide.

#15373C presents itself as a clearly saturated aqua cyan — one that leans clearly toward the dark side. It is a natural fit for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is almost identical to Billabong (#173141). Its next-closest registered neighbors are Nordic (#1D393C) and City Limits (#0C3A37).

Technically, the mix leans on its blue channel (rgb(21, 55, 60)), which gives #15373C its character. Accessibility-wise, white text works best on #15373C: 12.8:1 contrast (passing WCAG AAA) versus 1.6:1 for black. On paper it relies strongly on black ink (K:76), so proof dark layouts before a large print run. #15373C has no official name yet. If this shade means something to you, you can be the one to name it.

#15373C color variations

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

#15373C 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 #15373C

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

Billabong color link
Billabong

#173141

Nordic color link
Nordic

#1D393C

City Limits color link
City Limits

#0C3A37

Stokesian 13 color link
Stokesian 13

#164238

Tiber color link
Tiber

#184343

MSU Green color link
MSU Green

#18453B

Elephant color link
Elephant

#243640

Coast color link
Coast

#243442

Barometer color link
Barometer

#11394C

Conversions between color systems and etc.

  • HEX#15373C
  • RGB21, 55, 60
  • CMYK15, 2, 0, 76
  • CSSrgb(21, 55, 60)
  • HSL188°, 48%, 16%
  • HSL Precise187.692°, 48.148%, 15.882%
  • HSV188°, 65%, 24%
  • HSB188°, 65%, 24%
  • Normalized R (0.0–1.0)0.082
  • Normalized G (0.0–1.0)0.216
  • Normalized B (0.0–1.0)0.235
  • GLSLvec3(0.082, 0.216, 0.235)
  • GLSL with alphavec4(0.082, 0.216, 0.235, 1.000)
  • HLSL / Metalfloat3(0.082, 0.216, 0.235)
  • Percentage of Red in RGB8.2%
  • Percentage of Green in RGB21.6%
  • Percentage of Blue in RGB23.5%
  • Color FamilyCyan
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID15373C
  • DECIMAL ID1390396
  • Name LengthThis color has no name
  • Seen by search & AI crawlers18 times
  • Counting from2025-01-01