#571B1A#571B1A

#571B1A is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.7% C 0.089 H 24.6°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#571B1A
RGB	rgb(87, 27, 26)
HSL	hsl(1, 54%, 22%)
HSV	hsv(1, 70%, 34%)
CMYK	cmyk(0%, 69%, 70.1%, 65.9%)
CIE-LAB	lab(19.58, 27.65, 15.67)
CIE-LCH	lch(19.58, 31.78, 29.54°)
OKLab	oklab(31.73% 0.0812 0.0371)
OKLCH	oklch(31.73% 0.089 24.6)
XYZ	xyz(4.5093, 2.8853, 1.2965)
Luminance	0.0289 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B1A #1A5657

analogous

#571A37 #571B1A #573A1A

triadic

#571B1A #1A571B #1B1A57

tetradic

#571B1A #37571A #1A5657 #3A1A57

square

#571B1A #37571A #1A5657 #3A1A57

split-complementary

#571B1A #1A573A #1A3757

monochromatic

#180707 #280C0C #571B1A #862A28 #B53836

Accessibility & contrast

On white

13.32

#571B1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#571B1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B1A

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B1A	#FFFFFF	#000000	##FFFFFF
##571B1A	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2719

Deuteranopia (green-blind)

#3A3418

Tritanopia (blue-blind)

#600E1B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #571b1a;
/* rgb */ color: rgb(87, 27, 26);
/* oklch */ color: oklch(31.7% 0.089 24.6);

Tailwind

colors: {
  custom: {
    50: '#8b5b56',
    500: '#571b1a',
    950: '#000000',
  },
}

SCSS

$custom: #571b1a;
$custom-light: #8b5b56;
$custom-dark: #000000;

JSON

{
  "hex": "#571b1a",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 26
  },
  "hsl": {
    "h": 0.984,
    "s": 53.982,
    "l": 22.157
  },
  "oklch": {
    "l": 0.31734,
    "c": 0.08925,
    "h": 24.6
  },
  "luminance": 0.02885
}

Semantic roles & 50–950 ramp

primary

#571B1A

secondary

#408C8D

accent

#DBDD4A

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #571B1A

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

Preview Lab → · Contrast checker → · Palette generator →