#E4574B#E4574B

#E4574B is a light, vivid red. Relative luminance 0.238; OKLCH L 64.1% C 0.178 H 28.0°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#E4574B
RGB	rgb(228, 87, 75)
HSL	hsl(5, 74%, 59%)
HSV	hsv(5, 67%, 89%)
CMYK	cmyk(0%, 61.8%, 67.1%, 10.6%)
CIE-LAB	lab(55.91, 54.06, 35.83)
CIE-LCH	lch(55.91, 64.86, 33.54°)
OKLab	oklab(64.06% 0.157 0.0834)
OKLCH	oklch(64.06% 0.178 28)
XYZ	xyz(36.6768, 23.8234, 9.3223)
Luminance	0.2382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4574B #4BD8E4

analogous

#E44B8C #E4574B #E4A44B

triadic

#E4574B #4BE457 #574BE4

tetradic

#E4574B #8CE44B #4BD8E4 #A44BE4

square

#E4574B #8CE44B #4BD8E4 #A44BE4

split-complementary

#E4574B #4BE4A4 #4B8CE4

monochromatic

#9D2218 #D22E20 #E4574B #EC8980 #F4BAB5

Accessibility & contrast

On white

3.64

#E4574B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#E4574B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E4574B

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4574B	#FFFFFF	#000000	##000000
##E4574B	1.00	3.64	5.76	5.76
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D7349

Deuteranopia (green-blind)

#A09147

Tritanopia (blue-blind)

#FA3755

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #e4574b;
/* rgb */ color: rgb(228, 87, 75);
/* oklch */ color: oklch(64.1% 0.178 28.0);

Tailwind

colors: {
  custom: {
    50: '#f48c7d',
    500: '#e4574b',
    950: '#000000',
  },
}

SCSS

$custom: #e4574b;
$custom-light: #f48c7d;
$custom-dark: #000000;

JSON

{
  "hex": "#e4574b",
  "rgb": {
    "r": 228,
    "g": 87,
    "b": 75
  },
  "hsl": {
    "h": 4.706,
    "s": 73.913,
    "l": 59.412
  },
  "oklch": {
    "l": 0.6406,
    "c": 0.1778,
    "h": 28
  },
  "luminance": 0.23818
}

Semantic roles & 50–950 ramp

primary

#E4574B

secondary

#A8DFE3

accent

#E2F137

background

#FFF8F7

surface

#FFF0EE

border

#D7CBC9

text

#180C0A

muted

#867D7C

Preview Lab

Preview with #E4574B

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

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