Information about #EF0000 color

#EF0000 color image

Basic facts about this digital color

The digital color #EF0000 is classified in the Register under the Red Color Family, with Full Saturation and Light brightness. In numbers: rgb(239, 0, 0) (93.7% red, 0% green, 0% blue), or CMYK 0 / 94 / 94 / 6 for print. New to color codes? See our guide to RGB color codes.

The color #EF0000 reads as a intensely saturated warm red and sits on the lighter side of the spectrum. Designers typically reach for tones like this for bold branding moments and attention-grabbing details. In The Official Register of Color Names it is practically indistinguishable from J15 RED (#F00000). Nearby in the Register you will also find Arsenal Red (#EF0107) and Electric Red (#E60000).

Technically, the mix leans on its red channel (rgb(239, 0, 0)), which gives #EF0000 its character. If you plan to put text on a #EF0000 background, choose black — the contrast ratio is 4.7:1 (passing WCAG AA), while white manages only 4.5:1. Out of 16,777,216 possible colors, #EF0000 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#EF0000 color variations

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

#EF0000 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 #EF0000

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

J15 RED color link
J15 RED

#F00000

Arsenal Red color link
Arsenal Red

#EF0107

Electric Red color link
Electric Red

#E60000

Coke Red color link
Coke Red

#F40009

Pyrotect Red color link
Pyrotect Red

#E10000

KU Crimson color link
KU Crimson

#E8000D

Red color link
Red

#FF0000

Nintendo Red color link
Nintendo Red

#E4000F

Fahad color link
Fahad

#FF0808

#EF0000 color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

Conversions between color systems and etc.

  • HEX#EF0000
  • RGB239, 0, 0
  • CMYK0, 94, 94, 6
  • CSSrgb(239, 0, 0)
  • HSL0°, 100%, 47%
  • HSL Precise0°, 100%, 46.863%
  • HSV0°, 100%, 94%
  • HSB0°, 100%, 94%
  • Normalized R (0.0–1.0)0.937
  • Normalized G (0.0–1.0)0.000
  • Normalized B (0.0–1.0)0.000
  • GLSLvec3(0.937, 0.000, 0.000)
  • GLSL with alphavec4(0.937, 0.000, 0.000, 1.000)
  • HLSL / Metalfloat3(0.937, 0.000, 0.000)
  • Percentage of Red in RGB93.7%
  • Percentage of Green in RGB0%
  • Percentage of Blue in RGB0%
  • Color Family (Hue)Red
  • Saturation FamilyFull Saturation
  • Lightness FamilyLight
  • HEX IDEF0000
  • DECIMAL ID15663104
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01