Information about #B21F3E color

#B21F3E color image

Basic facts about this digital color

In the Register's classification, #B21F3E belongs to the Red Color Family, featuring High Saturation and Light brightness. The mix behind it: rgb(178, 31, 62) — 69.8% red, 12.2% green, 24.3% blue; the print equivalent is CMYK 0 / 58 / 45 / 30. New to color codes? See our guide to RGB color codes.

#B21F3E is a energetic, saturated red that feels open and friendly. In practice it works well for accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is a hair away from French Wine (#AC1E44). Its next-closest registered neighbors are Deep Carmine (#A9203E) and American Red (#B32134).

In RGB terms — rgb(178, 31, 62) — the red channel does the heavy lifting here. Accessibility-wise, white text works best on #B21F3E: 6.6:1 contrast (passing WCAG AA) versus 3.2:1 for black. Out of 16,777,216 possible colors, #B21F3E is still unnamed — it can be claimed and named in The Official Register of Color Names.

#B21F3E color variations

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

#B21F3E 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 #B21F3E

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

French Wine color link
French Wine

#AC1E44

Deep Carmine color link
Deep Carmine

#A9203E

American Red color link
American Red

#B32134

StitchCraft color link
StitchCraft

#B02A3E

Hot Spot color link
Hot Spot

#B22833

Spring Red color link
Spring Red

#BE1F35

Crash Hot color link
Crash Hot

#AF2E40

Rouge color link
Rouge

#AB1239

Glitterbug color link
Glitterbug

#A92A37

Bombshell color link
Bombshell

#AE2F3E

MIT Red color link
MIT Red

#A31F34

Conversions between color systems and etc.

  • HEX#B21F3E
  • RGB178, 31, 62
  • CMYK0, 58, 45, 30
  • CSSrgb(178, 31, 62)
  • HSL347°, 70%, 41%
  • HSL Precise347.347°, 70.335%, 40.98%
  • HSV347°, 83%, 70%
  • HSB347°, 83%, 70%
  • Normalized R (0.0–1.0)0.698
  • Normalized G (0.0–1.0)0.122
  • Normalized B (0.0–1.0)0.243
  • GLSLvec3(0.698, 0.122, 0.243)
  • GLSL with alphavec4(0.698, 0.122, 0.243, 1.000)
  • HLSL / Metalfloat3(0.698, 0.122, 0.243)
  • Percentage of Red in RGB69.8%
  • Percentage of Green in RGB12.2%
  • Percentage of Blue in RGB24.3%
  • Color FamilyRed
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX IDB21F3E
  • DECIMAL ID11673406
  • Name LengthThis color has no name
  • Seen by search & AI crawlers12 times
  • Counting from2025-01-01