#571B1E#571B1E

#571B1E is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.8% C 0.089 H 20.8°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#571B1E
RGB	rgb(87, 27, 30)
HSL	hsl(357, 53%, 22%)
HSV	hsv(357, 69%, 34%)
CMYK	cmyk(0%, 69%, 65.5%, 65.9%)
CIE-LAB	lab(19.66, 27.95, 13.02)
CIE-LCH	lch(19.66, 30.83, 24.98°)
OKLab	oklab(31.82% 0.083 0.0316)
OKLCH	oklch(31.82% 0.089 20.8)
XYZ	xyz(4.5572, 2.9045, 1.5487)
Luminance	0.0290 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B1E #1B5754

analogous

#571B3C #571B1E #57361B

triadic

#571B1E #1E571B #1B1E57

tetradic

#571B1E #3C571B #1B5754 #361B57

square

#571B1E #3C571B #1B5754 #361B57

split-complementary

#571B1E #1B5736 #1B3C57

monochromatic

#170708 #280D0E #571B1E #86292E #B4383E

Accessibility & contrast

On white

13.28

#571B1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#571B1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B1E

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B1E	#FFFFFF	#000000	##FFFFFF
##571B1E	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A281E

Deuteranopia (green-blind)

#39341C

Tritanopia (blue-blind)

#600F1D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #571b1e;
/* rgb */ color: rgb(87, 27, 30);
/* oklch */ color: oklch(31.8% 0.089 20.8);

Tailwind

colors: {
  custom: {
    50: '#8b5b59',
    500: '#571b1e',
    950: '#000000',
  },
}

SCSS

$custom: #571b1e;
$custom-light: #8b5b59;
$custom-dark: #000000;

JSON

{
  "hex": "#571b1e",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 30
  },
  "hsl": {
    "h": 357,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.31818,
    "c": 0.08876,
    "h": 20.8
  },
  "luminance": 0.02904
}

Semantic roles & 50–950 ramp

primary

#571B1E

secondary

#418D89

accent

#DCD54C

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0403

muted

#7D7978

Preview Lab

Preview with #571B1E

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

Preview Lab → · Contrast checker → · Palette generator →