Information about #1B243D color

#1B243D color image

Basic facts about this digital color

In the Register's classification, #1B243D belongs to the Azure Color Family, featuring Mild Saturation and Dark brightness. In numbers: rgb(27, 36, 61) (10.6% red, 14.1% green, 23.9% blue), or CMYK 13 / 10 / 0 / 76 for print. Curious how these numbers work? Read our RGB color codes guide.

A moderately toned sky-leaning azure, #1B243D leans clearly toward the dark side. Expect to see shades like this in dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is practically indistinguishable from Blue Night (#1F263B). Its next-closest registered neighbors are Yankees Blue (#1C2841) and Midnight Express (#21263A).

Technically, the mix leans on its blue channel (rgb(27, 36, 61)), which gives #1B243D its character. Accessibility-wise, white text works best on #1B243D: 15.4:1 contrast (passing WCAG AAA) versus 1.4:1 for black. On paper it relies strongly on black ink (K:76), so proof dark layouts before a large print run. #1B243D has no official name yet. If this shade means something to you, you can be the one to name it.

#1B243D color variations

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

#1B243D 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 #1B243D

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

Conversions between color systems and etc.

  • HEX#1B243D
  • RGB27, 36, 61
  • CMYK13, 10, 0, 76
  • CSSrgb(27, 36, 61)
  • HSL224°, 39%, 17%
  • HSL Precise224.118°, 38.636%, 17.255%
  • HSV224°, 56%, 24%
  • HSB224°, 56%, 24%
  • Normalized R (0.0–1.0)0.106
  • Normalized G (0.0–1.0)0.141
  • Normalized B (0.0–1.0)0.239
  • GLSLvec3(0.106, 0.141, 0.239)
  • GLSL with alphavec4(0.106, 0.141, 0.239, 1.000)
  • HLSL / Metalfloat3(0.106, 0.141, 0.239)
  • Percentage of Red in RGB10.6%
  • Percentage of Green in RGB14.1%
  • Percentage of Blue in RGB23.9%
  • Color FamilyAzure
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID1B243D
  • DECIMAL ID1778749
  • Name LengthThis color has no name
  • Seen by search & AI crawlers15 times
  • Counting from2025-01-01