Information about #EF042C color

#EF042C color image

Basic facts about this digital color

The digital color #EF042C is classified in the Register under the Red Color Family, with Full Saturation and Light brightness. In numbers: rgb(239, 4, 44) (93.7% red, 1.6% green, 17.3% blue), or CMYK 0 / 92 / 76 / 6 for print. Curious how these numbers work? Read our RGB color codes guide.

#EF042C is a intensely saturated warm red that sits on the lighter side of the spectrum. It is a natural fit for logos, highlights and anything that needs to be noticed first. In The Official Register of Color Names it is just a few steps away from Spanish Red (#E60026). Nearby in the Register you will also find KIY RED (#FA002F) and Rozgematos (#E50325).

Technically, the mix leans on its red channel (rgb(239, 4, 44)), which gives #EF042C its character. On this background, black text reaches a 4.7:1 contrast ratio (passing WCAG AA); white stays at 4.4:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#EF042C color variations

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

#EF042C 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 #EF042C

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#EF042C
  • RGB239, 4, 44
  • CMYK0, 92, 76, 6
  • CSSrgb(239, 4, 44)
  • HSL350°, 97%, 48%
  • HSL Precise349.787°, 96.708%, 47.647%
  • HSV350°, 98%, 94%
  • HSB350°, 98%, 94%
  • Normalized R (0.0–1.0)0.937
  • Normalized G (0.0–1.0)0.016
  • Normalized B (0.0–1.0)0.173
  • GLSLvec3(0.937, 0.016, 0.173)
  • GLSL with alphavec4(0.937, 0.016, 0.173, 1.000)
  • HLSL / Metalfloat3(0.937, 0.016, 0.173)
  • Percentage of Red in RGB93.7%
  • Percentage of Green in RGB1.6%
  • Percentage of Blue in RGB17.3%
  • Color FamilyRed
  • Saturation FamilyFull Saturation
  • Lightness FamilyLight
  • HEX IDEF042C
  • DECIMAL ID15664172
  • Name LengthThis color has no name
  • Seen by search & AI crawlers27 times
  • Counting from2025-01-01