Information about #A51237 color

#A51237 color image

Basic facts about this digital color

In the Register's classification, #A51237 belongs to the Rose Color Family, featuring High Saturation and Neutral brightness. In numbers: rgb(165, 18, 55) (64.7% red, 7.1% green, 21.6% blue), or CMYK 0 / 58 / 43 / 35 for print. New to color codes? See our guide to RGB color codes.

#A51237 presents itself as a energetic, saturated romantic rose — one that holds a balanced mid-tone. In practice it works well for accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is almost identical to Rouge (#AB1239). Its next-closest registered neighbors are Falcons Red (#A71930) and Vivid Burgundy (#9F1D35).

The recipe behind #A51237 is rgb(165, 18, 55), with red as the dominant ingredient. Accessibility-wise, white text works best on #A51237: 7.7:1 contrast (passing WCAG AAA) versus 2.7:1 for black. Out of 16,777,216 possible colors, #A51237 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#A51237 color variations

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

#A51237 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 #A51237

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

Rouge color link
Rouge

#AB1239

Falcons Red color link
Falcons Red

#A71930

Rosy Red color link
Rosy Red

#A11A2E

MIT Red color link
MIT Red

#A31F34

Cool Red color link
Cool Red

#A80B44

Royal Red color link
Royal Red

#9B1C31

Deep Carmine color link
Deep Carmine

#A9203E

Scarlet Sage color link
Scarlet Sage

#9D202F

French Wine color link
French Wine

#AC1E44

Conversions between color systems and etc.

  • HEX#A51237
  • RGB165, 18, 55
  • CMYK0, 58, 43, 35
  • CSSrgb(165, 18, 55)
  • HSL345°, 80%, 36%
  • HSL Precise344.898°, 80.328%, 35.882%
  • HSV345°, 89%, 65%
  • HSB345°, 89%, 65%
  • Normalized R (0.0–1.0)0.647
  • Normalized G (0.0–1.0)0.071
  • Normalized B (0.0–1.0)0.216
  • GLSLvec3(0.647, 0.071, 0.216)
  • GLSL with alphavec4(0.647, 0.071, 0.216, 1.000)
  • HLSL / Metalfloat3(0.647, 0.071, 0.216)
  • Percentage of Red in RGB64.7%
  • Percentage of Green in RGB7.1%
  • Percentage of Blue in RGB21.6%
  • Color FamilyRose
  • Saturation FamilyHigh Saturation
  • Lightness FamilyNeutral
  • HEX IDA51237
  • DECIMAL ID10818103
  • Name LengthThis color has no name
  • Seen by search & AI crawlers7 times
  • Counting from2025-01-01