Information about #18212B color

#18212B color image

Basic facts about this digital color

#18212B falls into the Azure Color Family — Mild Saturation, Dark brightness. Its exact recipe is rgb(24, 33, 43) — 9.4% red, 12.9% green, 16.9% blue — and for print it converts to CMYK 7 / 4 / 0 / 83. New to color codes? See our guide to RGB color codes.

#18212B is a moderately toned sky-leaning azure that leans clearly toward the dark side. In practice it works well for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is practically indistinguishable from Daytona (#1E222C). Its next-closest registered neighbors are Bledisloe (#19282B) and Dark (#1B2431).

The recipe behind #18212B is rgb(24, 33, 43), with blue as the dominant ingredient. Accessibility-wise, white text works best on #18212B: 16.3:1 contrast (passing WCAG AAA) versus 1.3:1 for black. On paper it relies strongly on black ink (K:83), so proof dark layouts before a large print run. #18212B has no official name yet. If this shade means something to you, you can be the one to name it.

#18212B color variations

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

#18212B 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 #18212B

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

Daytona color link
Daytona

#1E222C

Bledisloe color link
Bledisloe

#19282B

Dark color link
Dark

#1B2431

Coarse Wool color link
Coarse Wool

#181B26

Sentry color link
Sentry

#1C2728

Black Pearl color link
Black Pearl

#1E272C

Elderberry color link
Elderberry

#17182B

Magnum color link
Magnum

#112331

Nite Life color link
Nite Life

#1D2134

Blackjack color link
Blackjack

#1D2020

Conversions between color systems and etc.

  • HEX#18212B
  • RGB24, 33, 43
  • CMYK7, 4, 0, 83
  • CSSrgb(24, 33, 43)
  • HSL212°, 28%, 13%
  • HSL Precise211.579°, 28.358%, 13.137%
  • HSV212°, 44%, 17%
  • HSB212°, 44%, 17%
  • Normalized R (0.0–1.0)0.094
  • Normalized G (0.0–1.0)0.129
  • Normalized B (0.0–1.0)0.169
  • GLSLvec3(0.094, 0.129, 0.169)
  • GLSL with alphavec4(0.094, 0.129, 0.169, 1.000)
  • HLSL / Metalfloat3(0.094, 0.129, 0.169)
  • Percentage of Red in RGB9.4%
  • Percentage of Green in RGB12.9%
  • Percentage of Blue in RGB16.9%
  • Color FamilyAzure
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID18212B
  • DECIMAL ID1581355
  • Name LengthThis color has no name
  • Seen by search & AI crawlers12 times
  • Counting from2025-01-01