Information about #0D1F21 color

#0D1F21 color image

Basic facts about this digital color

The digital color #0D1F21 is classified in the Register under the Cyan Color Family, with Moderate Saturation and Very Dark brightness. In numbers: rgb(13, 31, 33) (5.1% red, 12.2% green, 12.9% blue), or CMYK 8 / 1 / 0 / 87 for print. Curious how these numbers work? Read our RGB color codes guide.

The color #0D1F21 reads as a pleasantly vivid aqua cyan and lives deep in the shadows. Expect to see shades like this in night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is practically indistinguishable from Very Dark Cyan (#111D1D). Nearby in the Register you will also find Aztec (#0D1C19) and Very Dark Azure (#11171D).

The recipe behind #0D1F21 is rgb(13, 31, 33), with blue as the dominant ingredient. If you plan to put text on a #0D1F21 background, choose white — the contrast ratio is 17.0:1 (passing WCAG AAA), while black manages only 1.2:1. For print, note the heavy black component (K:87) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #0D1F21 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#0D1F21 color variations

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

#0D1F21 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 #0D1F21

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#0D1F21
  • RGB13, 31, 33
  • CMYK8, 1, 0, 87
  • CSSrgb(13, 31, 33)
  • HSL186°, 43%, 9%
  • HSL Precise186°, 43.478%, 9.02%
  • HSV186°, 61%, 13%
  • HSB186°, 61%, 13%
  • Normalized R (0.0–1.0)0.051
  • Normalized G (0.0–1.0)0.122
  • Normalized B (0.0–1.0)0.129
  • GLSLvec3(0.051, 0.122, 0.129)
  • GLSL with alphavec4(0.051, 0.122, 0.129, 1.000)
  • HLSL / Metalfloat3(0.051, 0.122, 0.129)
  • Percentage of Red in RGB5.1%
  • Percentage of Green in RGB12.2%
  • Percentage of Blue in RGB12.9%
  • Color FamilyCyan
  • Saturation FamilyModerate Saturation
  • Lightness FamilyVery Dark
  • HEX ID0D1F21
  • DECIMAL ID859937
  • Name LengthThis color has no name
  • Seen by search & AI crawlers18 times
  • Counting from2025-01-01