Information about #31333A color

#31333A color image

Basic facts about this digital color

In the Register's classification, #31333A belongs to the Blue Color Family, featuring Desaturated and Dark brightness. The mix behind it: rgb(49, 51, 58) — 19.2% red, 20% green, 22.7% blue; the print equivalent is CMYK 4 / 3 / 0 / 77. Curious how these numbers work? Read our RGB color codes guide.

#31333A is a softly muted balanced grey tone that leans clearly toward the dark side. It is a natural fit for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is a hair away from Woody Bay (#33343A). Its next-closest registered neighbors are Gumboot (#313337) and Double Tuna (#2F3237).

In RGB terms — rgb(49, 51, 58) — the blue channel does the heavy lifting here. If you plan to put text on a #31333A background, choose white — the contrast ratio is 12.6:1 (passing WCAG AAA), while black manages only 1.7:1. For print, note the heavy black component (K:77) — ink coverage matters with tones this deep. No one has named #31333A so far. Register a name for it and it becomes a permanent record.

#31333A color variations

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

#31333A 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 #31333A

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

Woody Bay color link
Woody Bay

#33343A

Gumboot color link
Gumboot

#313337

Double Tuna color link
Double Tuna

#2F3237

Catch color link
Catch

#34343C

Grey Friars color link
Grey Friars

#313436

Tao Grey color link
Tao Grey

#323436

Shark color link
Shark

#34363A

Crater Smoke color link
Crater Smoke

#2F2E3A

High Tide color link
High Tide

#32373F

Conversions between color systems and etc.

  • HEX#31333A
  • RGB49, 51, 58
  • CMYK4, 3, 0, 77
  • CSSrgb(49, 51, 58)
  • HSL227°, 8%, 21%
  • HSL Precise226.667°, 8.411%, 20.98%
  • HSV227°, 16%, 23%
  • HSB227°, 16%, 23%
  • Normalized R (0.0–1.0)0.192
  • Normalized G (0.0–1.0)0.200
  • Normalized B (0.0–1.0)0.227
  • GLSLvec3(0.192, 0.200, 0.227)
  • GLSL with alphavec4(0.192, 0.200, 0.227, 1.000)
  • HLSL / Metalfloat3(0.192, 0.200, 0.227)
  • Percentage of Red in RGB19.2%
  • Percentage of Green in RGB20%
  • Percentage of Blue in RGB22.7%
  • Color FamilyBlue
  • Saturation FamilyDesaturated
  • Lightness FamilyDark
  • HEX ID31333A
  • DECIMAL ID3224378
  • Name LengthThis color has no name
  • Seen by search & AI crawlers14 times
  • Counting from2025-01-01