Information about #B31209 color

#B31209 color image

Basic facts about this digital color

In the Register's classification, #B31209 belongs to the Red Color Family, featuring Full Saturation and Neutral brightness. In numbers: rgb(179, 18, 9) (70.2% red, 7.1% green, 3.5% blue), or CMYK 0 / 63 / 67 / 30 for print. Curious how these numbers work? Read our RGB color codes guide.

A pure, full-strength earthy red, #B31209 occupies the middle of the lightness scale. Expect to see shades like this in accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is practically indistinguishable from Tomato Sauce (#B21807). Slightly further away sit Mordant Red 19 (#AE0C00) and Rojo Spanish Red (#A91101).

The recipe behind #B31209 is rgb(179, 18, 9), with red as the dominant ingredient. Accessibility-wise, white text works best on #B31209: 7.0:1 contrast (passing WCAG AA) versus 3.0:1 for black. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#B31209 color variations

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

#B31209 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 #B31209

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

Tomato Sauce color link
Tomato Sauce

#B21807

Naga Red color link
Naga Red

#AB0707

Rufous color link
Rufous

#A81C07

Red Thread color link
Red Thread

#A81900

Vibrant Ruby color link
Vibrant Ruby

#A7080D

Darkish Red color link
Darkish Red

#A90308

Goomba color link
Goomba

#BC0500

Carnelian color link
Carnelian

#B31B1B

Conversions between color systems and etc.

  • HEX#B31209
  • RGB179, 18, 9
  • CMYK0, 63, 67, 30
  • CSSrgb(179, 18, 9)
  • HSL3°, 90%, 37%
  • HSL Precise3.176°, 90.426%, 36.863%
  • HSV3°, 95%, 70%
  • HSB3°, 95%, 70%
  • Normalized R (0.0–1.0)0.702
  • Normalized G (0.0–1.0)0.071
  • Normalized B (0.0–1.0)0.035
  • GLSLvec3(0.702, 0.071, 0.035)
  • GLSL with alphavec4(0.702, 0.071, 0.035, 1.000)
  • HLSL / Metalfloat3(0.702, 0.071, 0.035)
  • Percentage of Red in RGB70.2%
  • Percentage of Green in RGB7.1%
  • Percentage of Blue in RGB3.5%
  • Color FamilyRed
  • Saturation FamilyFull Saturation
  • Lightness FamilyNeutral
  • HEX IDB31209
  • DECIMAL ID11735561
  • Name LengthThis color has no name
  • Seen by search & AI crawlers19 times
  • Counting from2025-01-01