Information about #181C2B color

#181C2B color image

Basic facts about this digital color

#181C2B falls into the Blue Color Family — Mild Saturation, Dark brightness. Its exact recipe is rgb(24, 28, 43) — 9.4% red, 11% green, 16.9% blue — and for print it converts to CMYK 7 / 6 / 0 / 83. Curious how these numbers work? Read our RGB color codes guide.

The color #181C2B reads as a mildly saturated blue and stays on the darker end of the scale. Expect to see shades like this in moody backdrops, typography on light surfaces and premium packaging. In The Official Register of Color Names it is a hair away from Elderberry (#17182B). Slightly further away sit Coarse Wool (#181B26) and I am Core Group International (#151529).

Technically, the mix leans on its blue channel (rgb(24, 28, 43)), which gives #181C2B its character. On this background, white text reaches a 16.9:1 contrast ratio (passing WCAG AAA); black stays at 1.2:1. On paper it relies strongly on black ink (K:83), so proof dark layouts before a large print run. #181C2B has no official name yet. If this shade means something to you, you can be the one to name it.

#181C2B color variations

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

#181C2B 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 #181C2B

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

Coarse Wool color link
Coarse Wool

#181B26

Daytona color link
Daytona

#1E222C

Dark color link
Dark

#1B2431

Nite Life color link
Nite Life

#1D2134

Magnum color link
Magnum

#112331

Bledisloe color link
Bledisloe

#19282B

Sentry color link
Sentry

#1C2728

Black Pearl color link
Black Pearl

#1E272C

Conversions between color systems and etc.

  • HEX#181C2B
  • RGB24, 28, 43
  • CMYK7, 6, 0, 83
  • CSSrgb(24, 28, 43)
  • HSL227°, 28%, 13%
  • HSL Precise227.368°, 28.358%, 13.137%
  • HSV227°, 44%, 17%
  • HSB227°, 44%, 17%
  • Normalized R (0.0–1.0)0.094
  • Normalized G (0.0–1.0)0.110
  • Normalized B (0.0–1.0)0.169
  • GLSLvec3(0.094, 0.110, 0.169)
  • GLSL with alphavec4(0.094, 0.110, 0.169, 1.000)
  • HLSL / Metalfloat3(0.094, 0.110, 0.169)
  • Percentage of Red in RGB9.4%
  • Percentage of Green in RGB11%
  • Percentage of Blue in RGB16.9%
  • Color FamilyBlue
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID181C2B
  • DECIMAL ID1580075
  • Name LengthThis color has no name
  • Seen by search & AI crawlers18 times
  • Counting from2025-01-01