Information about #37404F color

#37404F color image

Basic facts about this digital color

In the Register's classification, #37404F belongs to the Azure Color Family, featuring Low Saturation and Neutral brightness. In numbers: rgb(55, 64, 79) (21.6% red, 25.1% green, 31% blue), or CMYK 9 / 6 / 0 / 69 for print. Curious how these numbers work? Read our RGB color codes guide.

#37404F presents itself as a calm, restrained azure — one that holds a balanced mid-tone. It is a natural fit for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is almost identical to Cloud Burst (#353E4F). Its next-closest registered neighbors are Avalanche (#354152) and Charcoal (#36454F).

Technically, the mix leans on its blue channel (rgb(55, 64, 79)), which gives #37404F its character. If you plan to put text on a #37404F background, choose white — the contrast ratio is 10.5:1 (passing WCAG AAA), while black manages only 2.0:1. For print, note the heavy black component (K:69) — ink coverage matters with tones this deep. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#37404F color variations

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

#37404F 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 #37404F

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

Cloud Burst color link
Cloud Burst

#353E4F

Avalanche color link
Avalanche

#354152

Charcoal color link
Charcoal

#36454F

Sputnik color link
Sputnik

#373E54

Arsenic color link
Arsenic

#3B444B

Catwalk color link
Catwalk

#3D3E4C

Limed Spruce color link
Limed Spruce

#394851

Rhino color link
Rhino

#3D4653

Conversions between color systems and etc.

  • HEX#37404F
  • RGB55, 64, 79
  • CMYK9, 6, 0, 69
  • CSSrgb(55, 64, 79)
  • HSL218°, 18%, 26%
  • HSL Precise217.5°, 17.91%, 26.275%
  • HSV218°, 30%, 31%
  • HSB218°, 30%, 31%
  • Normalized R (0.0–1.0)0.216
  • Normalized G (0.0–1.0)0.251
  • Normalized B (0.0–1.0)0.310
  • GLSLvec3(0.216, 0.251, 0.310)
  • GLSL with alphavec4(0.216, 0.251, 0.310, 1.000)
  • HLSL / Metalfloat3(0.216, 0.251, 0.310)
  • Percentage of Red in RGB21.6%
  • Percentage of Green in RGB25.1%
  • Percentage of Blue in RGB31%
  • Color FamilyAzure
  • Saturation FamilyLow Saturation
  • Lightness FamilyNeutral
  • HEX ID37404F
  • DECIMAL ID3620943
  • Name LengthThis color has no name
  • Seen by search & AI crawlers10 times
  • Counting from2025-01-01