#E4504B#E4504B

#E4504B is a light, vivid red. Relative luminance 0.227; OKLCH L 63.2% C 0.185 H 25.8°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#E4504B
RGB	rgb(228, 80, 75)
HSL	hsl(2, 74%, 59%)
HSV	hsv(2, 67%, 89%)
CMYK	cmyk(0%, 64.9%, 67.1%, 10.6%)
CIE-LAB	lab(54.81, 57.02, 34.50)
CIE-LCH	lch(54.81, 66.64, 31.18°)
OKLab	oklab(63.23% 0.1663 0.0804)
OKLCH	oklch(63.23% 0.185 25.8)
XYZ	xyz(36.1373, 22.7444, 9.1425)
Luminance	0.2274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4504B #4BDFE4

analogous

#E44B93 #E4504B #E49D4B

triadic

#E4504B #4BE450 #504BE4

tetradic

#E4504B #93E44B #4BDFE4 #9D4BE4

square

#E4504B #93E44B #4BDFE4 #9D4BE4

split-complementary

#E4504B #4BE49D #4B93E4

monochromatic

#9D1C18 #D22520 #E4504B #EC8480 #F4B7B5

Accessibility & contrast

On white

3.79

#E4504B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#E4504B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E4504B

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4504B	#FFFFFF	#000000	##000000
##E4504B	1.00	3.79	5.55	5.55
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#786F49

Deuteranopia (green-blind)

#9D8F47

Tritanopia (blue-blind)

#FA2B50

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #e4504b;
/* rgb */ color: rgb(228, 80, 75);
/* oklch */ color: oklch(63.2% 0.185 25.8);

Tailwind

colors: {
  custom: {
    50: '#f4887d',
    500: '#e4504b',
    950: '#000000',
  },
}

SCSS

$custom: #e4504b;
$custom-light: #f4887d;
$custom-dark: #000000;

JSON

{
  "hex": "#e4504b",
  "rgb": {
    "r": 228,
    "g": 80,
    "b": 75
  },
  "hsl": {
    "h": 1.961,
    "s": 73.913,
    "l": 59.412
  },
  "oklch": {
    "l": 0.63232,
    "c": 0.18477,
    "h": 25.8
  },
  "luminance": 0.22739
}

Semantic roles & 50–950 ramp

primary

#E4504B

secondary

#A8E1E3

accent

#EBF137

background

#FFF8F7

surface

#FFF0EE

border

#D7CBC9

text

#180C09

muted

#867D7B

Preview Lab

Preview with #E4504B

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

Preview Lab → · Contrast checker → · Palette generator →