Information about #B31313 color

#B31313 color image

Basic facts about this digital color

The digital color #B31313 is classified in the Register under the Red Color Family, with High Saturation and Neutral brightness. In numbers: rgb(179, 19, 19) (70.2% red, 7.5% green, 7.5% blue), or CMYK 0 / 63 / 63 / 30 for print. Curious how these numbers work? Read our RGB color codes guide.

#B31313 is a vivid, lively warm red that sits comfortably between light and dark. It is a natural fit for bold branding moments and attention-grabbing details. In The Official Register of Color Names it is just a few steps away from Carnelian (#B31B1B). Nearby in the Register you will also find Tomato Sauce (#B21807) and Murdoc Red (#BC161C).

Technically, the mix leans on its red channel (rgb(179, 19, 19)), which gives #B31313 its character. If you plan to put text on a #B31313 background, choose white — the contrast ratio is 7.0:1 (passing WCAG AA), while black manages only 3.0:1. Out of 16,777,216 possible colors, #B31313 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#B31313 color variations

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

#B31313 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 #B31313

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

Carnelian color link
Carnelian

#B31B1B

Tomato Sauce color link
Tomato Sauce

#B21807

Murdoc Red color link
Murdoc Red

#BC161C

Youtube Red color link
Youtube Red

#B2071D

Del Toro color link
Del Toro

#B11D20

Vibrant Ruby color link
Vibrant Ruby

#A7080D

Vintage Red color link
Vintage Red

#AF2413

Rufous color link
Rufous

#A81C07

Red Cola color link
Red Cola

#B62020

Naga Red color link
Naga Red

#AB0707

Pulse color link
Pulse

#A41D19

Conversions between color systems and etc.

  • HEX#B31313
  • RGB179, 19, 19
  • CMYK0, 63, 63, 30
  • CSSrgb(179, 19, 19)
  • HSL0°, 81%, 39%
  • HSL Precise0°, 80.808%, 38.824%
  • HSV0°, 89%, 70%
  • HSB0°, 89%, 70%
  • Normalized R (0.0–1.0)0.702
  • Normalized G (0.0–1.0)0.075
  • Normalized B (0.0–1.0)0.075
  • GLSLvec3(0.702, 0.075, 0.075)
  • GLSL with alphavec4(0.702, 0.075, 0.075, 1.000)
  • HLSL / Metalfloat3(0.702, 0.075, 0.075)
  • Percentage of Red in RGB70.2%
  • Percentage of Green in RGB7.5%
  • Percentage of Blue in RGB7.5%
  • Color FamilyRed
  • Saturation FamilyHigh Saturation
  • Lightness FamilyNeutral
  • HEX IDB31313
  • DECIMAL ID11735827
  • Name LengthThis color has no name
  • Seen by search & AI crawlers17 times
  • Counting from2025-01-01