Information about #18424D color

#18424D color image

Basic facts about this digital color

The digital color #18424D is classified in the Register under the Cyan Color Family, with Moderate Saturation and Dark brightness. Its exact recipe is rgb(24, 66, 77) — 9.4% red, 25.9% green, 30.2% blue — and for print it converts to CMYK 21 / 4 / 0 / 70. New to color codes? See our guide to RGB color codes.

#18424D presents itself as a pleasantly vivid aqua cyan — one that carries a shadowy depth. In practice it works well for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is practically indistinguishable from Dark Blue Grey (#1F3B4D). Nearby in the Register you will also find Tiber (#184343) and Nationalist Blue (#174358).

The recipe behind #18424D is rgb(24, 66, 77), with blue as the dominant ingredient. If you plan to put text on a #18424D background, choose white — the contrast ratio is 10.9:1 (passing WCAG AAA), while black manages only 1.9:1. For print, note the heavy black component (K:70) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #18424D is still unnamed — it can be claimed and named in The Official Register of Color Names.

#18424D color variations

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

#18424D 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 #18424D

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

Tiber color link
Tiber

#184343

Barometer color link
Barometer

#11394C

Cyprus color link
Cyprus

#0F4645

Nile Blue color link
Nile Blue

#253F4E

Regal Blue color link
Regal Blue

#203F58

Tarawera color link
Tarawera

#253C48

Beatnik color link
Beatnik

#1F4F54

Tiki Tour color link
Tiki Tour

#234040

Conversions between color systems and etc.

  • HEX#18424D
  • RGB24, 66, 77
  • CMYK21, 4, 0, 70
  • CSSrgb(24, 66, 77)
  • HSL192°, 52%, 20%
  • HSL Precise192.453°, 52.475%, 19.804%
  • HSV192°, 69%, 30%
  • HSB192°, 69%, 30%
  • Normalized R (0.0–1.0)0.094
  • Normalized G (0.0–1.0)0.259
  • Normalized B (0.0–1.0)0.302
  • GLSLvec3(0.094, 0.259, 0.302)
  • GLSL with alphavec4(0.094, 0.259, 0.302, 1.000)
  • HLSL / Metalfloat3(0.094, 0.259, 0.302)
  • Percentage of Red in RGB9.4%
  • Percentage of Green in RGB25.9%
  • Percentage of Blue in RGB30.2%
  • Color FamilyCyan
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID18424D
  • DECIMAL ID1589837
  • Name LengthThis color has no name
  • Seen by search & AI crawlers19 times
  • Counting from2025-01-01