#571817#571817

#571817 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.3% C 0.093 H 25.1°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#571817
RGB	rgb(87, 24, 23)
HSL	hsl(1, 58%, 22%)
HSV	hsv(1, 74%, 34%)
CMYK	cmyk(0%, 72.4%, 73.6%, 65.9%)
CIE-LAB	lab(18.98, 28.92, 16.98)
CIE-LCH	lch(18.98, 33.54, 30.41°)
OKLab	oklab(31.27% 0.0845 0.0396)
OKLCH	oklch(31.27% 0.093 25.1)
XYZ	xyz(4.4122, 2.7420, 1.1074)
Luminance	0.0274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571817 #175657

analogous

#571736 #571817 #573817

triadic

#571817 #175718 #181757

tetradic

#571817 #365717 #175657 #381757

square

#571817 #365717 #175657 #381757

split-complementary

#571817 #175738 #173657

monochromatic

#180706 #270B0A #571817 #872524 #B83331

Accessibility & contrast

On white

13.56

#571817 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#571817 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571817

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571817	#FFFFFF	#000000	##FFFFFF
##571817	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292616

Deuteranopia (green-blind)

#393315

Tritanopia (blue-blind)

#600818

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #571817;
/* rgb */ color: rgb(87, 24, 23);
/* oklch */ color: oklch(31.3% 0.093 25.1);

Tailwind

colors: {
  custom: {
    50: '#8c5954',
    500: '#571817',
    950: '#000000',
  },
}

SCSS

$custom: #571817;
$custom-light: #8c5954;
$custom-dark: #000000;

JSON

{
  "hex": "#571817",
  "rgb": {
    "r": 87,
    "g": 24,
    "b": 23
  },
  "hsl": {
    "h": 0.938,
    "s": 58.182,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31268,
    "c": 0.0933,
    "h": 25.1
  },
  "luminance": 0.02741
}

Semantic roles & 50–950 ramp

primary

#571817

secondary

#3C8D8E

accent

#DFE146

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #571817

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

Preview Lab → · Contrast checker → · Palette generator →