#571710#571710

#571710 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.0% C 0.096 H 29.7°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#571710
RGB	rgb(87, 23, 16)
HSL	hsl(6, 69%, 20%)
HSV	hsv(6, 82%, 34%)
CMYK	cmyk(0%, 73.6%, 81.6%, 65.9%)
CIE-LAB	lab(18.70, 29.01, 21.10)
CIE-LCH	lch(18.70, 35.88, 36.03°)
OKLab	oklab(31.03% 0.0831 0.0474)
OKLCH	oklch(31.03% 0.096 29.7)
XYZ	xyz(4.3309, 2.6771, 0.7788)
Luminance	0.0268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571710 #105057

analogous

#57102D #571710 #573A10

triadic

#571710 #105717 #171057

tetradic

#571710 #2D5710 #105057 #3A1057

square

#571710 #2D5710 #105057 #3A1057

split-complementary

#571710 #10573A #102D57

monochromatic

#1A0705 #230906 #571710 #8B251A #BE3223

Accessibility & contrast

On white

13.68

#571710 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#571710 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571710

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571710	#FFFFFF	#000000	##FFFFFF
##571710	1.00	13.68	1.54	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29250F

Deuteranopia (green-blind)

#39330E

Tritanopia (blue-blind)

#600416

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #571710;
/* rgb */ color: rgb(87, 23, 16);
/* oklch */ color: oklch(31.0% 0.096 29.7);

Tailwind

colors: {
  custom: {
    50: '#8d584e',
    500: '#571710',
    950: '#000000',
  },
}

SCSS

$custom: #571710;
$custom-light: #8d584e;
$custom-dark: #000000;

JSON

{
  "hex": "#571710",
  "rgb": {
    "r": 87,
    "g": 23,
    "b": 16
  },
  "hsl": {
    "h": 5.915,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.31026,
    "c": 0.0957,
    "h": 29.7
  },
  "luminance": 0.02676
}

Semantic roles & 50–950 ramp

primary

#571710

secondary

#328790

accent

#DAEC3C

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #571710

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

Preview Lab → · Contrast checker → · Palette generator →