#E3573A#E3573A

#E3573A is a light, vivid red. Relative luminance 0.235; OKLCH L 63.7% C 0.180 H 33.5°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#E3573A
RGB	rgb(227, 87, 58)
HSL	hsl(10, 75%, 56%)
HSV	hsv(10, 74%, 89%)
CMYK	cmyk(0%, 61.7%, 74.4%, 11%)
CIE-LAB	lab(55.54, 52.91, 44.62)
CIE-LCH	lch(55.54, 69.21, 40.14°)
OKLab	oklab(63.69% 0.1503 0.0994)
OKLCH	oklch(63.69% 0.18 33.5)
XYZ	xyz(35.8543, 23.4578, 6.6420)
Luminance	0.2345 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3573A #3AC6E3

analogous

#E33A71 #E3573A #E3AB3A

triadic

#E3573A #3AE357 #573AE3

tetradic

#E3573A #71E33A #3AC6E3 #AB3AE3

square

#E3573A #71E33A #3AC6E3 #AB3AE3

split-complementary

#E3573A #3AE3AB #3A71E3

monochromatic

#8E2914 #C4391C #E3573A #EB8570 #F2B2A5

Accessibility & contrast

On white

3.69

#E3573A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#E3573A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E3573A

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3573A	#FFFFFF	#000000	##000000
##E3573A	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E7236

Deuteranopia (green-blind)

#A19135

Tritanopia (blue-blind)

#F93451

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #e3573a;
/* rgb */ color: rgb(227, 87, 58);
/* oklch */ color: oklch(63.7% 0.180 33.5);

Tailwind

colors: {
  custom: {
    50: '#f48c72',
    500: '#e3573a',
    950: '#000000',
  },
}

SCSS

$custom: #e3573a;
$custom-light: #f48c72;
$custom-dark: #000000;

JSON

{
  "hex": "#e3573a",
  "rgb": {
    "r": 227,
    "g": 87,
    "b": 58
  },
  "hsl": {
    "h": 10.296,
    "s": 75.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.63685,
    "c": 0.1802,
    "h": 33.5
  },
  "luminance": 0.23453
}

Semantic roles & 50–950 ramp

primary

#E3573A

secondary

#99D3DF

accent

#D2F236

background

#FFF8F6

surface

#FFF0EC

border

#D7CBC7

text

#190C08

muted

#867D7B

Preview Lab

Preview with #E3573A

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

Preview Lab → · Contrast checker → · Palette generator →