Information about #011D37 color

#011D37 color image

Basic facts about this digital color

In the Register's classification, #011D37 belongs to the Azure Color Family, featuring Full Saturation and Dark brightness. In numbers: rgb(1, 29, 55) (0.4% red, 11.4% green, 21.6% blue), or CMYK 21 / 10 / 0 / 78 for print. New to color codes? See our guide to RGB color codes.

A pure, full-strength steel-blue azure, #011D37 leans clearly toward the dark side. Designers typically reach for tones like this for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is practically indistinguishable from Trafalgar Blue (#00203C). Its next-closest registered neighbors are Maastricht Blue (#001C3D) and Tangaroa (#03163C).

The recipe behind #011D37 is rgb(1, 29, 55), with blue as the dominant ingredient. Accessibility-wise, white text works best on #011D37: 17.0:1 contrast (passing WCAG AAA) versus 1.2:1 for black. For print, note the heavy black component (K:78) — ink coverage matters with tones this deep. #011D37 has no official name yet. If this shade means something to you, you can be the one to name it.

#011D37 color variations

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

#011D37 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 #011D37

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#011D37
  • RGB1, 29, 55
  • CMYK21, 10, 0, 78
  • CSSrgb(1, 29, 55)
  • HSL209°, 96%, 11%
  • HSL Precise208.889°, 96.429%, 10.98%
  • HSV209°, 98%, 22%
  • HSB209°, 98%, 22%
  • Normalized R (0.0–1.0)0.004
  • Normalized G (0.0–1.0)0.114
  • Normalized B (0.0–1.0)0.216
  • GLSLvec3(0.004, 0.114, 0.216)
  • GLSL with alphavec4(0.004, 0.114, 0.216, 1.000)
  • HLSL / Metalfloat3(0.004, 0.114, 0.216)
  • Percentage of Red in RGB0.4%
  • Percentage of Green in RGB11.4%
  • Percentage of Blue in RGB21.6%
  • Color FamilyAzure
  • Saturation FamilyFull Saturation
  • Lightness FamilyDark
  • HEX ID011D37
  • DECIMAL ID73015
  • Name LengthThis color has no name
  • Seen by search & AI crawlers20 times
  • Counting from2025-01-01