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Information about #B51B2F color

#B51B2F color image

Basic facts about this digital color

In the Register's classification, #B51B2F belongs to the Red Color Family, featuring High Saturation and Light brightness. In numbers: rgb(181, 27, 47) (71% red, 10.6% green, 18.4% blue), or CMYK 0 / 60 / 53 / 29 for print. New to color codes? See our guide to RGB color codes.

#B51B2F presents itself as a energetic, saturated earthy red — one that sits on the lighter side of the spectrum. In practice it works well for bold branding moments and attention-grabbing details. In The Official Register of Color Names it is almost identical to American Red (#B32134). Nearby in the Register you will also find Old Glory Red (#B22234) and Netherlands Red (#AE1C28).

In RGB terms — rgb(181, 27, 47) — the red channel does the heavy lifting here. If you plan to put text on a #B51B2F background, choose white — the contrast ratio is 6.6:1 (passing WCAG AA), while black manages only 3.2:1. #B51B2F has no official name yet. If this shade means something to you, you can be the one to name it.

#B51B2F color variations

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

#B51B2F 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 #B51B2F

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

Upsdell Red color link
Upsdell Red

#AE2029

Spring Red color link
Spring Red

#BE1F35

Red Pepper color link
Red Pepper

#BB112A

Wine Red color link
Wine Red

#B11226

Hot Spot color link
Hot Spot

#B22833

Falcons Red color link
Falcons Red

#A71930

Firebrick color link
Firebrick

#B22222

Del Toro color link
Del Toro

#B11D20

Conversions between color systems and etc.

  • HEX#B51B2F
  • RGB181, 27, 47
  • CMYK0, 60, 53, 29
  • CSSrgb(181, 27, 47)
  • HSL352°, 74%, 41%
  • HSL Precise352.208°, 74.038%, 40.784%
  • HSV352°, 85%, 71%
  • HSB352°, 85%, 71%
  • Normalized R (0.0–1.0)0.710
  • Normalized G (0.0–1.0)0.106
  • Normalized B (0.0–1.0)0.184
  • GLSLvec3(0.710, 0.106, 0.184)
  • GLSL with alphavec4(0.710, 0.106, 0.184, 1.000)
  • HLSL / Metalfloat3(0.710, 0.106, 0.184)
  • Percentage of Red in RGB71%
  • Percentage of Green in RGB10.6%
  • Percentage of Blue in RGB18.4%
  • Color FamilyRed
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX IDB51B2F
  • DECIMAL ID11868975
  • Name LengthThis color has no name
  • This page visited8 times
  • Counting from2025-01-01