#57151A#57151A

#57151A is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.9% C 0.096 H 20.7°. Best body text is #FFFFFF at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#57151A
RGB	rgb(87, 21, 26)
HSL	hsl(355, 61%, 21%)
HSV	hsv(355, 76%, 34%)
CMYK	cmyk(0%, 75.9%, 70.1%, 65.9%)
CIE-LAB	lab(18.53, 30.50, 14.35)
CIE-LCH	lch(18.53, 33.71, 25.21°)
OKLab	oklab(30.95% 0.0902 0.0342)
OKLCH	oklch(30.95% 0.096 20.7)
XYZ	xyz(4.3856, 2.6378, 1.2553)
Luminance	0.0264 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57151A #155752

analogous

#57153B #57151A #573115

triadic

#57151A #1A5715 #151A57

tetradic

#57151A #3B5715 #155752 #311557

square

#57151A #3B5715 #155752 #311557

split-complementary

#57151A #155731 #153B57

monochromatic

#190607 #26090B #57151A #882129 #BA2D37

Accessibility & contrast

On white

13.75

#57151A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#57151A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57151A

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57151A	#FFFFFF	#000000	##FFFFFF
##57151A	1.00	13.75	1.53	13.75
#FFFFFF	13.75	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27241A

Deuteranopia (green-blind)

#383218

Tritanopia (blue-blind)

#600317

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #57151a;
/* rgb */ color: rgb(87, 21, 26);
/* oklch */ color: oklch(30.9% 0.096 20.7);

Tailwind

colors: {
  custom: {
    50: '#8c5856',
    500: '#57151a',
    950: '#000000',
  },
}

SCSS

$custom: #57151a;
$custom-light: #8c5856;
$custom-dark: #000000;

JSON

{
  "hex": "#57151a",
  "rgb": {
    "r": 87,
    "g": 21,
    "b": 26
  },
  "hsl": {
    "h": 355.455,
    "s": 61.111,
    "l": 21.176
  },
  "oklch": {
    "l": 0.3095,
    "c": 0.09642,
    "h": 20.7
  },
  "luminance": 0.02637
}

Semantic roles & 50–950 ramp

primary

#57151A

secondary

#398F88

accent

#E4D844

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #57151A

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

Preview Lab → · Contrast checker → · Palette generator →