#E4504E#E4504E

#E4504E is a light, vivid red. Relative luminance 0.228; OKLCH L 63.3% C 0.184 H 24.7°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX#E4504E
RGBrgb(228, 80, 78)
HSLhsl(1, 74%, 60%)
HSVhsv(1, 66%, 89%)
CMYKcmyk(0%, 64.9%, 65.8%, 10.6%)
CIE-LABlab(54.85, 57.18, 32.85)
CIE-LCHlch(54.85, 65.94, 29.88°)
OKLaboklab(63.28% 0.1674 0.0772)
OKLCHoklch(63.28% 0.184 24.7)
XYZxyz(36.2424, 22.7864, 9.6961)
Luminance0.2278 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#E4504E #4EE2E4
analogous
#E44E97 #E4504E #E49B4E
triadic
#E4504E #4EE450 #504EE4
tetradic
#E4504E #97E44E #4EE2E4 #9B4EE4
square
#E4504E #97E44E #4EE2E4 #9B4EE4
split-complementary
#E4504E #4EE49B #4E97E4
monochromatic
#9F1A18 #D42320 #E4504E #EC8583 #F4B9B8

Accessibility & contrast

On white

3.78
#E4504E on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.56
#E4504E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E4504E
5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##E4504E#FFFFFF#000000##000000
##E4504E1.003.785.565.56
#FFFFFF3.781.0021.0021.00
#0000005.5621.001.001.00
##0000005.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#786F4D
Deuteranopia (green-blind)
#9D8F4A
Tritanopia (blue-blind)
#FA2C51
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #e4504e;
/* rgb */ color: rgb(228, 80, 78);
/* oklch */ color: oklch(63.3% 0.184 24.7);
Tailwind
colors: {
  custom: {
    50: '#f4887f',
    500: '#e4504e',
    950: '#000000',
  },
}
SCSS
$custom: #e4504e;
$custom-light: #f4887f;
$custom-dark: #000000;
JSON
{
  "hex": "#e4504e",
  "rgb": {
    "r": 228,
    "g": 80,
    "b": 78
  },
  "hsl": {
    "h": 0.8,
    "s": 73.529,
    "l": 60
  },
  "oklch": {
    "l": 0.63279,
    "c": 0.18436,
    "h": 24.7
  },
  "luminance": 0.22781
}

Semantic roles & 50–950 ramp

primary
#E4504E
secondary
#AAE3E4
accent
#EEF038
background
#FFF8F7
surface
#FFF0EE
border
#D7CBC9
text
#180C0A
muted
#867D7C

Preview Lab

Preview with #E4504E

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

Preview Lab → · Contrast checker → · Palette generator →

#E4504E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva