Information about #1B2C39 color

#1B2C39 color image

Basic facts about this digital color

In the Register's classification, #1B2C39 belongs to the Azure Color Family, featuring Mild Saturation and Dark brightness. In numbers: rgb(27, 44, 57) (10.6% red, 17.3% green, 22.4% blue), or CMYK 12 / 5 / 0 / 78 for print. Curious how these numbers work? Read our RGB color codes guide.

#1B2C39 presents itself as a mildly saturated azure — one that carries a shadowy depth. It is a natural fit for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Blue Night (#1F263B). Nearby in the Register you will also find Midnight Express (#21263A) and Dark Knight (#232D36).

In RGB terms — rgb(27, 44, 57) — the blue channel does the heavy lifting here. If you plan to put text on a #1B2C39 background, choose white — the contrast ratio is 14.3:1 (passing WCAG AAA), while black manages only 1.5:1. On paper it relies strongly on black ink (K:78), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #1B2C39 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#1B2C39 color variations

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

#1B2C39 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 #1B2C39

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

Blue Night color link
Blue Night

#1F263B

Dark Knight color link
Dark Knight

#232D36

Yankees Blue color link
Yankees Blue

#1C2841

Allegro color link
Allegro

#242E3B

Billabong color link
Billabong

#173141

Dark color link
Dark

#1B2431

Indian Ink color link
Indian Ink

#232732

Ebony Clay color link
Ebony Clay

#26283B

Nite Life color link
Nite Life

#1D2134

Tornado color link
Tornado

#272D3C

Conversions between color systems and etc.

  • HEX#1B2C39
  • RGB27, 44, 57
  • CMYK12, 5, 0, 78
  • CSSrgb(27, 44, 57)
  • HSL206°, 36%, 16%
  • HSL Precise206°, 35.714%, 16.471%
  • HSV206°, 53%, 22%
  • HSB206°, 53%, 22%
  • Normalized R (0.0–1.0)0.106
  • Normalized G (0.0–1.0)0.173
  • Normalized B (0.0–1.0)0.224
  • GLSLvec3(0.106, 0.173, 0.224)
  • GLSL with alphavec4(0.106, 0.173, 0.224, 1.000)
  • HLSL / Metalfloat3(0.106, 0.173, 0.224)
  • Percentage of Red in RGB10.6%
  • Percentage of Green in RGB17.3%
  • Percentage of Blue in RGB22.4%
  • Color FamilyAzure
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID1B2C39
  • DECIMAL ID1780793
  • Name LengthThis color has no name
  • Seen by search & AI crawlers14 times
  • Counting from2025-01-01