Information about #0B1F4B color

#0B1F4B color image

Basic facts about this digital color

The digital color #0B1F4B is classified in the Register under the Azure Color Family, with High Saturation and Dark brightness. Its exact recipe is rgb(11, 31, 75) — 4.3% red, 12.2% green, 29.4% blue — and for print it converts to CMYK 25 / 17 / 0 / 71. New to color codes? See our guide to RGB color codes.

A vivid, lively sky-leaning azure, #0B1F4B carries a shadowy depth. Designers typically reach for tones like this for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is a hair away from Brewers Blue (#0A2351). Nearby in the Register you will also find Blue Zodiac (#13264D) and Dallas Cowboys Blue (#041E42).

The recipe behind #0B1F4B is rgb(11, 31, 75), with blue as the dominant ingredient. If you plan to put text on a #0B1F4B background, choose white — the contrast ratio is 16.0:1 (passing WCAG AAA), while black manages only 1.3:1. For print, note the heavy black component (K:71) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #0B1F4B is still unnamed — it can be claimed and named in The Official Register of Color Names.

#0B1F4B color variations

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

#0B1F4B 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 #0B1F4B

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#0B1F4B
  • RGB11, 31, 75
  • CMYK25, 17, 0, 71
  • CSSrgb(11, 31, 75)
  • HSL221°, 74%, 17%
  • HSL Precise221.25°, 74.419%, 16.863%
  • HSV221°, 85%, 29%
  • HSB221°, 85%, 29%
  • Normalized R (0.0–1.0)0.043
  • Normalized G (0.0–1.0)0.122
  • Normalized B (0.0–1.0)0.294
  • GLSLvec3(0.043, 0.122, 0.294)
  • GLSL with alphavec4(0.043, 0.122, 0.294, 1.000)
  • HLSL / Metalfloat3(0.043, 0.122, 0.294)
  • Percentage of Red in RGB4.3%
  • Percentage of Green in RGB12.2%
  • Percentage of Blue in RGB29.4%
  • Color FamilyAzure
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID0B1F4B
  • DECIMAL ID728907
  • Name LengthThis color has no name
  • Seen by search & AI crawlers20 times
  • Counting from2025-01-01