#571810#571810

#571810 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.2% C 0.095 H 30.4°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#571810
RGB	rgb(87, 24, 16)
HSL	hsl(7, 69%, 20%)
HSV	hsv(7, 82%, 34%)
CMYK	cmyk(0%, 72.4%, 81.6%, 65.9%)
CIE-LAB	lab(18.88, 28.54, 21.31)
CIE-LCH	lch(18.88, 35.62, 36.75°)
OKLab	oklab(31.16% 0.0816 0.0478)
OKLCH	oklch(31.16% 0.095 30.4)
XYZ	xyz(4.3511, 2.7176, 0.7855)
Luminance	0.0272 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571810 #104F57

analogous

#57102B #571810 #573C10

triadic

#571810 #105718 #181057

tetradic

#571810 #2B5710 #104F57 #3C1057

square

#571810 #2B5710 #104F57 #3C1057

split-complementary

#571810 #10573C #102B57

monochromatic

#1A0705 #230A06 #571810 #8B261A #BE3523

Accessibility & contrast

On white

13.61

#571810 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#571810 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571810

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571810	#FFFFFF	#000000	##FFFFFF
##571810	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A250F

Deuteranopia (green-blind)

#3A330E

Tritanopia (blue-blind)

#600617

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #571810;
/* rgb */ color: rgb(87, 24, 16);
/* oklch */ color: oklch(31.2% 0.095 30.4);

Tailwind

colors: {
  custom: {
    50: '#8c594e',
    500: '#571810',
    950: '#000000',
  },
}

SCSS

$custom: #571810;
$custom-light: #8c594e;
$custom-dark: #000000;

JSON

{
  "hex": "#571810",
  "rgb": {
    "r": 87,
    "g": 24,
    "b": 16
  },
  "hsl": {
    "h": 6.761,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.31156,
    "c": 0.09462,
    "h": 30.4
  },
  "luminance": 0.02717
}

Semantic roles & 50–950 ramp

primary

#571810

secondary

#328690

accent

#D8EC3C

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #571810

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

Preview Lab → · Contrast checker → · Palette generator →