Information about #31303A color

#31303A color image

Basic facts about this digital color

In the Register's classification, #31303A belongs to the Blue Color Family, featuring Desaturated and Dark brightness. The mix behind it: rgb(49, 48, 58) — 19.2% red, 18.8% green, 22.7% blue; the print equivalent is CMYK 4 / 4 / 0 / 77. Curious how these numbers work? Read our RGB color codes guide.

The color #31303A reads as a softly muted balanced grey tone and leans clearly toward the dark side. Expect to see shades like this in dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is almost identical to Crater Smoke (#2F2E3A). Its next-closest registered neighbors are Double Tuna (#2F3237) and Gumboot (#313337).

The recipe behind #31303A is rgb(49, 48, 58), with blue as the dominant ingredient. Accessibility-wise, white text works best on #31303A: 13.0:1 contrast (passing WCAG AAA) versus 1.6:1 for black. For print, note the heavy black component (K:77) — ink coverage matters with tones this deep. #31303A has no official name yet. If this shade means something to you, you can be the one to name it.

#31303A color variations

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

#31303A 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 #31303A

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

Crater Smoke color link
Crater Smoke

#2F2E3A

Double Tuna color link
Double Tuna

#2F3237

Gumboot color link
Gumboot

#313337

Woody Bay color link
Woody Bay

#33343A

Catch color link
Catch

#34343C

Grey Friars color link
Grey Friars

#313436

Tao Grey color link
Tao Grey

#323436

Black Rock color link
Black Rock

#2C2D3C

Shark color link
Shark

#34363A

Conversions between color systems and etc.

  • HEX#31303A
  • RGB49, 48, 58
  • CMYK4, 4, 0, 77
  • CSSrgb(49, 48, 58)
  • HSL246°, 9%, 21%
  • HSL Precise246°, 9.434%, 20.784%
  • HSV246°, 17%, 23%
  • HSB246°, 17%, 23%
  • Normalized R (0.0–1.0)0.192
  • Normalized G (0.0–1.0)0.188
  • Normalized B (0.0–1.0)0.227
  • GLSLvec3(0.192, 0.188, 0.227)
  • GLSL with alphavec4(0.192, 0.188, 0.227, 1.000)
  • HLSL / Metalfloat3(0.192, 0.188, 0.227)
  • Percentage of Red in RGB19.2%
  • Percentage of Green in RGB18.8%
  • Percentage of Blue in RGB22.7%
  • Color FamilyBlue
  • Saturation FamilyDesaturated
  • Lightness FamilyDark
  • HEX ID31303A
  • DECIMAL ID3223610
  • Name LengthThis color has no name
  • Seen by search & AI crawlers17 times
  • Counting from2025-01-01