#E3573F#E3573F

#E3573F is a light, vivid red. Relative luminance 0.235; OKLCH L 63.7% C 0.179 H 32.0°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#E3573F
RGB	rgb(227, 87, 63)
HSL	hsl(9, 75%, 57%)
HSV	hsv(9, 72%, 89%)
CMYK	cmyk(0%, 61.7%, 72.2%, 11%)
CIE-LAB	lab(55.59, 53.12, 42.02)
CIE-LCH	lch(55.59, 67.74, 38.35°)
OKLab	oklab(63.74% 0.1519 0.0949)
OKLCH	oklch(63.74% 0.179 32)
XYZ	xyz(35.9877, 23.5112, 7.3448)
Luminance	0.2351 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3573F #3FCBE3

analogous

#E33F79 #E3573F #E3A93F

triadic

#E3573F #3FE357 #573FE3

tetradic

#E3573F #79E33F #3FCBE3 #A93FE3

square

#E3573F #79E33F #3FCBE3 #A93FE3

split-complementary

#E3573F #3FE3A9 #3F79E3

monochromatic

#922815 #C8361D #E3573F #EB8674 #F3B4AA

Accessibility & contrast

On white

3.68

#E3573F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#E3573F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E3573F

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3573F	#FFFFFF	#000000	##000000
##E3573F	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E723C

Deuteranopia (green-blind)

#A0913B

Tritanopia (blue-blind)

#F93552

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #e3573f;
/* rgb */ color: rgb(227, 87, 63);
/* oklch */ color: oklch(63.7% 0.179 32.0);

Tailwind

colors: {
  custom: {
    50: '#f48c75',
    500: '#e3573f',
    950: '#000000',
  },
}

SCSS

$custom: #e3573f;
$custom-light: #f48c75;
$custom-dark: #000000;

JSON

{
  "hex": "#e3573f",
  "rgb": {
    "r": 227,
    "g": 87,
    "b": 63
  },
  "hsl": {
    "h": 8.78,
    "s": 74.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.63743,
    "c": 0.1791,
    "h": 32
  },
  "luminance": 0.23506
}

Semantic roles & 50–950 ramp

primary

#E3573F

secondary

#9DD7E0

accent

#D6F137

background

#FFF8F7

surface

#FFF0ED

border

#D7CBC8

text

#190C08

muted

#867D7B

Preview Lab

Preview with #E3573F

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

Preview Lab → · Contrast checker → · Palette generator →