Information about #E51531 color

#E51531 color image

Basic facts about this digital color

The digital color #E51531 is classified in the Register under the Red Color Family, with High Saturation and Light brightness. In numbers: rgb(229, 21, 49) (89.8% red, 8.2% green, 19.2% blue), or CMYK 0 / 82 / 71 / 10 for print. Curious how these numbers work? Read our RGB color codes guide.

#E51531 is a energetic, saturated red that sits on the lighter side of the spectrum. It is a natural fit for bold branding moments and attention-grabbing details. In The Official Register of Color Names it is almost identical to Geranium Lake (#E31230). Nearby in the Register you will also find Chiefs Red (#E31837) and Husker Red (#E41C38).

In RGB terms — rgb(229, 21, 49) — the red channel does the heavy lifting here. If you plan to put text on a #E51531 background, choose white — the contrast ratio is 4.7:1 (passing WCAG AA), while black manages only 4.5:1. #E51531 has no official name yet. If this shade means something to you, you can be the one to name it.

#E51531 color variations

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

#E51531 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 #E51531

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

Conversions between color systems and etc.

  • HEX#E51531
  • RGB229, 21, 49
  • CMYK0, 82, 71, 10
  • CSSrgb(229, 21, 49)
  • HSL352°, 83%, 49%
  • HSL Precise351.923°, 83.2%, 49.02%
  • HSV352°, 91%, 90%
  • HSB352°, 91%, 90%
  • Normalized R (0.0–1.0)0.898
  • Normalized G (0.0–1.0)0.082
  • Normalized B (0.0–1.0)0.192
  • GLSLvec3(0.898, 0.082, 0.192)
  • GLSL with alphavec4(0.898, 0.082, 0.192, 1.000)
  • HLSL / Metalfloat3(0.898, 0.082, 0.192)
  • Percentage of Red in RGB89.8%
  • Percentage of Green in RGB8.2%
  • Percentage of Blue in RGB19.2%
  • Color FamilyRed
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX IDE51531
  • DECIMAL ID15013169
  • Name LengthThis color has no name
  • Seen by search & AI crawlers16 times
  • Counting from2025-01-01