#E4504F#E4504F

#E4504F is a light, vivid red. Relative luminance 0.228; OKLCH L 63.3% C 0.184 H 24.4°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#E4504F
RGB	rgb(228, 80, 79)
HSL	hsl(0, 73%, 60%)
HSV	hsv(0, 65%, 89%)
CMYK	cmyk(0%, 64.9%, 65.4%, 10.6%)
CIE-LAB	lab(54.87, 57.23, 32.29)
CIE-LCH	lch(54.87, 65.72, 29.43°)
OKLab	oklab(63.3% 0.1678 0.0761)
OKLCH	oklch(63.3% 0.184 24.4)
XYZ	xyz(36.2785, 22.8009, 9.8863)
Luminance	0.2280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4504F #4FE3E4

analogous

#E44F98 #E4504F #E49B4F

triadic

#E4504F #4FE450 #504FE4

tetradic

#E4504F #98E44F #4FE3E4 #9B4FE4

square

#E4504F #98E44F #4FE3E4 #9B4FE4

split-complementary

#E4504F #4FE49B #4F98E4

monochromatic

#A01919 #D52221 #E4504F #EC8584 #F4BAB9

Accessibility & contrast

On white

3.78

#E4504F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#E4504F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E4504F

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4504F	#FFFFFF	#000000	##000000
##E4504F	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#786F4E

Deuteranopia (green-blind)

#9D8F4B

Tritanopia (blue-blind)

#FA2C51

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #e4504f;
/* rgb */ color: rgb(228, 80, 79);
/* oklch */ color: oklch(63.3% 0.184 24.4);

Tailwind

colors: {
  custom: {
    50: '#f48880',
    500: '#e4504f',
    950: '#000000',
  },
}

SCSS

$custom: #e4504f;
$custom-light: #f48880;
$custom-dark: #000000;

JSON

{
  "hex": "#e4504f",
  "rgb": {
    "r": 228,
    "g": 80,
    "b": 79
  },
  "hsl": {
    "h": 0.403,
    "s": 73.399,
    "l": 60.196
  },
  "oklch": {
    "l": 0.63295,
    "c": 0.18423,
    "h": 24.4
  },
  "luminance": 0.22796
}

Semantic roles & 50–950 ramp

primary

#E4504F

secondary

#ABE4E4

accent

#D4D610

background

#FFF8F7

surface

#FFF0EE

border

#D7CBC9

text

#180C0A

muted

#867D7C

Preview Lab

Preview with #E4504F

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

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