Information about #B51B3A color

#B51B3A color image

Basic facts about this digital color

#B51B3A falls into the Red Color FamilyHigh Saturation, Light brightness. Its exact recipe is rgb(181, 27, 58) — 71% red, 10.6% green, 22.7% blue — and for print it converts to CMYK 0 / 60 / 48 / 29. Curious how these numbers work? Read our RGB color codes guide.

The color #B51B3A reads as a strongly colored earthy red and feels open and friendly. Expect to see shades like this in accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is a hair away from American Red (#B32134). Its next-closest registered neighbors are Old Glory Red (#B22234) and Spring Red (#BE1F35).

In RGB terms — rgb(181, 27, 58) — the red channel does the heavy lifting here. Accessibility-wise, white text works best on #B51B3A: 6.6:1 contrast (passing WCAG AA) versus 3.2:1 for black. #B51B3A has no official name yet. If this shade means something to you, you can be the one to name it.

#B51B3A color variations

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

#B51B3A 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 #B51B3A

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

American Red color link
American Red

#B32134

Spring Red color link
Spring Red

#BE1F35

Rouge color link
Rouge

#AB1239

Deep Carmine color link
Deep Carmine

#A9203E

French Wine color link
French Wine

#AC1E44

Hot Spot color link
Hot Spot

#B22833

Cardinal color link
Cardinal

#C41E3A

StitchCraft color link
StitchCraft

#B02A3E

Falcons Red color link
Falcons Red

#A71930

Upsdell Red color link
Upsdell Red

#AE2029

Norway Red color link
Norway Red

#BA0C2F

Conversions between color systems and etc.

  • HEX#B51B3A
  • RGB181, 27, 58
  • CMYK0, 60, 48, 29
  • CSSrgb(181, 27, 58)
  • HSL348°, 74%, 41%
  • HSL Precise347.922°, 74.038%, 40.784%
  • HSV348°, 85%, 71%
  • HSB348°, 85%, 71%
  • Normalized R (0.0–1.0)0.710
  • Normalized G (0.0–1.0)0.106
  • Normalized B (0.0–1.0)0.227
  • GLSLvec3(0.710, 0.106, 0.227)
  • GLSL with alphavec4(0.710, 0.106, 0.227, 1.000)
  • HLSL / Metalfloat3(0.710, 0.106, 0.227)
  • Percentage of Red in RGB71%
  • Percentage of Green in RGB10.6%
  • Percentage of Blue in RGB22.7%
  • Color FamilyRed
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX IDB51B3A
  • DECIMAL ID11868986
  • Name LengthThis color has no name
  • Seen by search & AI crawlers18 times
  • Counting from2025-01-01