Information about #B51203 color

#B51203 color image

Basic facts about this digital color

#B51203 falls into the Red Color Family — Full Saturation, Neutral brightness. Its exact recipe is rgb(181, 18, 3) — 71% red, 7.1% green, 1.2% blue — and for print it converts to CMYK 0 / 64 / 70 / 29. New to color codes? See our guide to RGB color codes.

The color #B51203 reads as a pure, full-strength warm red and holds a balanced mid-tone. Designers typically reach for tones like this for accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is a hair away from Tomato Sauce (#B21807). Its next-closest registered neighbors are Mordant Red 19 (#AE0C00) and Rojo Spanish Red (#A91101).

Technically, the mix leans on its red channel (rgb(181, 18, 3)), which gives #B51203 its character. Accessibility-wise, white text works best on #B51203: 6.9:1 contrast (passing WCAG AA) versus 3.1:1 for black. #B51203 has no official name yet. If this shade means something to you, you can be the one to name it.

#B51203 color variations

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

#B51203 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 #B51203

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

Red Thread color link
Red Thread

#A81900

Goomba color link
Goomba

#BC0500

Naga Red color link
Naga Red

#AB0707

Rufous color link
Rufous

#A81C07

UE Red color link
UE Red

#BA0001

Darkish Red color link
Darkish Red

#A90308

Vibrant Ruby color link
Vibrant Ruby

#A7080D

Conversions between color systems and etc.

  • HEX#B51203
  • RGB181, 18, 3
  • CMYK0, 64, 70, 29
  • CSSrgb(181, 18, 3)
  • HSL5°, 97%, 36%
  • HSL Precise5.056°, 96.739%, 36.078%
  • HSV5°, 98%, 71%
  • HSB5°, 98%, 71%
  • Normalized R (0.0–1.0)0.710
  • Normalized G (0.0–1.0)0.071
  • Normalized B (0.0–1.0)0.012
  • GLSLvec3(0.710, 0.071, 0.012)
  • GLSL with alphavec4(0.710, 0.071, 0.012, 1.000)
  • HLSL / Metalfloat3(0.710, 0.071, 0.012)
  • Percentage of Red in RGB71%
  • Percentage of Green in RGB7.1%
  • Percentage of Blue in RGB1.2%
  • Color FamilyRed
  • Saturation FamilyFull Saturation
  • Lightness FamilyNeutral
  • HEX IDB51203
  • DECIMAL ID11866627
  • Name LengthThis color has no name
  • Seen by search & AI crawlers21 times
  • Counting from2025-01-01