Information about #181864 color

#181864 color image

Basic facts about this digital color

The digital color #181864 is classified in the Register under the Blue Color Family, with High Saturation and Dark brightness. Its exact recipe is rgb(24, 24, 100) — 9.4% red, 9.4% green, 39.2% blue — and for print it converts to CMYK 30 / 30 / 0 / 61. New to color codes? See our guide to RGB color codes.

A vivid, lively blue, #181864 carries a shadowy depth. Designers typically reach for tones like this for moody backdrops, typography on light surfaces and premium packaging. In The Official Register of Color Names it is a hair away from Suns Purple (#1D1160). Nearby in the Register you will also find Midnight Blue (#191970) and Visa Blue (#1A1F71).

Technically, the mix leans on its blue channel (rgb(24, 24, 100)), which gives #181864 its character. On this background, white text reaches a 15.5:1 contrast ratio (passing WCAG AAA); black stays at 1.4:1. On paper it relies strongly on black ink (K:61), so proof dark layouts before a large print run. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#181864 color variations

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

#181864 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 #181864

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

Suns Purple color link
Suns Purple

#1D1160

Visa Blue color link
Visa Blue

#1A1F71

PHCH color link
PHCH

#201173

Colin's Blue color link
Colin's Blue

#042069

Downriver color link
Downriver

#092256

Dark Indigo color link
Dark Indigo

#1F0954

Gulf Blue color link
Gulf Blue

#051657

OSS Blue color link
OSS Blue

#1B2450

Conversions between color systems and etc.

  • HEX#181864
  • RGB24, 24, 100
  • CMYK30, 30, 0, 61
  • CSSrgb(24, 24, 100)
  • HSL240°, 61%, 24%
  • HSL Precise240°, 61.29%, 24.314%
  • HSV240°, 76%, 39%
  • HSB240°, 76%, 39%
  • Normalized R (0.0–1.0)0.094
  • Normalized G (0.0–1.0)0.094
  • Normalized B (0.0–1.0)0.392
  • GLSLvec3(0.094, 0.094, 0.392)
  • GLSL with alphavec4(0.094, 0.094, 0.392, 1.000)
  • HLSL / Metalfloat3(0.094, 0.094, 0.392)
  • Percentage of Red in RGB9.4%
  • Percentage of Green in RGB9.4%
  • Percentage of Blue in RGB39.2%
  • Color FamilyBlue
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID181864
  • DECIMAL ID1579108
  • Name LengthThis color has no name
  • Seen by search & AI crawlers12 times
  • Counting from2025-01-01