#EF584A#EF584A

#EF584A is a light, vivid red. Relative luminance 0.258; OKLCH L 65.9% C 0.189 H 28.5°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX#EF584A
RGBrgb(239, 88, 74)
HSLhsl(5, 84%, 61%)
HSVhsv(5, 69%, 94%)
CMYKcmyk(0%, 63.2%, 69%, 6.3%)
CIE-LABlab(57.88, 57.28, 39.17)
CIE-LCHlch(57.88, 69.39, 34.36°)
OKLaboklab(65.88% 0.1657 0.0901)
OKLCHoklch(65.88% 0.189 28.5)
XYZxyz(40.3266, 25.8302, 9.3395)
Luminance0.2582 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EF584A #4AE1EF
analogous
#EF4A8F #EF584A #EFAB4A
triadic
#EF584A #4AEF58 #584AEF
tetradic
#EF584A #8FEF4A #4AE1EF #AB4AEF
square
#EF584A #8FEF4A #4AE1EF #AB4AEF
split-complementary
#EF584A #4AEFAB #4A8FEF
monochromatic
#AF1D0F #E72614 #EF584A #F48C82 #F9C0BA

Accessibility & contrast

On white

3.41
#EF584A on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.16
#EF584A on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF584A
6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EF584A#FFFFFF#000000##000000
##EF584A1.003.416.166.16
#FFFFFF3.411.0021.0021.00
#0000006.1621.001.001.00
##0000006.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#817648
Deuteranopia (green-blind)
#A79745
Tritanopia (blue-blind)
#FF3356
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #ef584a;
/* rgb */ color: rgb(239, 88, 74);
/* oklch */ color: oklch(65.9% 0.189 28.5);
Tailwind
colors: {
  custom: {
    50: '#fc8e7d',
    500: '#ef584a',
    950: '#000000',
  },
}
SCSS
$custom: #ef584a;
$custom-light: #fc8e7d;
$custom-dark: #000000;
JSON
{
  "hex": "#ef584a",
  "rgb": {
    "r": 239,
    "g": 88,
    "b": 74
  },
  "hsl": {
    "h": 5.091,
    "s": 83.756,
    "l": 61.373
  },
  "oklch": {
    "l": 0.65878,
    "c": 0.18864,
    "h": 28.5
  },
  "luminance": 0.25825
}

Semantic roles & 50–950 ramp

primary
#EF584A
secondary
#ACE4E9
accent
#CEE005
background
#FFF9F7
surface
#FFF1EE
border
#D7CBC9
text
#190D09
muted
#867E7B

Preview Lab

Preview with #EF584A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#EF584A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva