Information about Deep Cobalt Blue color

#002159 - Deep Cobalt Blue color image

Basic facts about this digital color

#002159, known as "Deep Cobalt Blue", falls into the Azure Color Family — Full Saturation, Dark brightness. Its exact recipe is rgb(0, 33, 89) — 0% red, 12.9% green, 34.9% blue — and for print it converts to CMYK 35 / 22 / 0 / 65. New to color codes? See our guide to RGB color codes.

#002159 is a pure, full-strength steel-blue azure that stays on the darker end of the scale. In practice it works well for moody backdrops, typography on light surfaces and premium packaging. In The Official Register of Color Names it is practically indistinguishable from Norway Blue (#00205B). Slightly further away sit Penn Blue (#011F5B) and Downriver (#092256).

The recipe behind #002159 is rgb(0, 33, 89), with blue as the dominant ingredient. On this background, white text reaches a 15.4:1 contrast ratio (passing WCAG AAA); black stays at 1.4:1. For print, note the heavy black component (K:65) — ink coverage matters with tones this deep. The name "Deep Cobalt Blue" is officially recorded for this exact shade in The Official Register of Color Names.

Deep Cobalt Blue color variations

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

Deep Cobalt Blue color tones

Tones looks more sophisticated and complex than base colors.

Deep Cobalt Blue color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.

Deep Cobalt Blue 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 Deep Cobalt Blue

The closest officially registered color names in the Register, ordered by similarity.

Conversions between color systems and etc.

  • HEX#002159
  • RGB0, 33, 89
  • CMYK35, 22, 0, 65
  • CSSrgb(0, 33, 89)
  • HSL218°, 100%, 17%
  • HSL Precise217.753°, 100%, 17.451%
  • HSV218°, 100%, 35%
  • HSB218°, 100%, 35%
  • Normalized R (0.0–1.0)0.000
  • Normalized G (0.0–1.0)0.129
  • Normalized B (0.0–1.0)0.349
  • GLSLvec3(0.000, 0.129, 0.349)
  • GLSL with alphavec4(0.000, 0.129, 0.349, 1.000)
  • HLSL / Metalfloat3(0.000, 0.129, 0.349)
  • Percentage of Red in RGB0%
  • Percentage of Green in RGB12.9%
  • Percentage of Blue in RGB34.9%
  • Color FamilyAzure
  • Saturation FamilyFull Saturation
  • Lightness FamilyDark
  • HEX ID002159
  • DECIMAL ID8537
  • Name Length16
  • This page visited309 times
  • Counting from2025-01-01