Information about #311D21 color

#311D21 color image

Basic facts about this digital color

In the Register's classification, #311D21 belongs to the Red Color Family, featuring Mild Saturation and Dark brightness. In numbers: rgb(49, 29, 33) (19.2% red, 11.4% green, 12.9% blue), or CMYK 0 / 8 / 6 / 81 for print. Curious how these numbers work? Read our RGB color codes guide.

#311D21 presents itself as a moderately toned warm red — one 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 almost identical to Cocktail (#2F1D25). Its next-closest registered neighbors are Black Kite (#351E1C) and Legal Dye (#2E211B).

Technically, the mix leans on its red channel (rgb(49, 29, 33)), which gives #311D21 its character. If you plan to put text on a #311D21 background, choose white — the contrast ratio is 15.8:1 (passing WCAG AAA), while black manages only 1.3:1. On paper it relies strongly on black ink (K:81), so proof dark layouts before a large print run. No one has named #311D21 so far. Register a name for it and it becomes a permanent record.

#311D21 color variations

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

#311D21 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 #311D21

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

Cocktail color link
Cocktail

#2F1D25

Black Kite color link
Black Kite

#351E1C

Legal Dye color link
Legal Dye

#2E211B

Spitfire color link
Spitfire

#381921

Wood Bark color link
Wood Bark

#302621

Hollow Plum color link
Hollow Plum

#2A1624

Ivory Black color link
Ivory Black

#292421

Loyal color link
Loyal

#28191D

Ink color link
Ink

#27221F

#311D21 color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

Conversions between color systems and etc.

  • HEX#311D21
  • RGB49, 29, 33
  • CMYK0, 8, 6, 81
  • HSL348°, 26%, 15%
  • HSL Precise348°, 25.641%, 15.294%
  • HSV348°, 41%, 19%
  • HSB348°, 41%, 19%
  • HEX ID311D21
  • DECIMAL ID3218721
  • Name LengthThis color has no name
  • Color Family (Hue)Red
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • Percentage of Red in RGB19.2%
  • Percentage of Green in RGB11.4%
  • Percentage of Blue in RGB12.9%
  • This page visited6 times
  • Counting from2025-01-01