#57151D#57151D

#57151D is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.0% C 0.096 H 18.1°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#57151D
RGB	rgb(87, 21, 29)
HSL	hsl(353, 61%, 21%)
HSV	hsv(353, 76%, 34%)
CMYK	cmyk(0%, 75.9%, 66.7%, 65.9%)
CIE-LAB	lab(18.59, 30.71, 12.33)
CIE-LCH	lch(18.59, 33.09, 21.88°)
OKLab	oklab(31.02% 0.0915 0.0299)
OKLCH	oklch(31.02% 0.096 18.1)
XYZ	xyz(4.4209, 2.6519, 1.4412)
Luminance	0.0265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57151D #15574F

analogous

#57153E #57151D #572E15

triadic

#57151D #1D5715 #151D57

tetradic

#57151D #3E5715 #15574F #2E1557

square

#57151D #3E5715 #15574F #2E1557

split-complementary

#57151D #15572E #153E57

monochromatic

#190608 #26090D #57151D #88212D #BA2D3E

Accessibility & contrast

On white

13.72

#57151D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#57151D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57151D

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57151D	#FFFFFF	#000000	##FFFFFF
##57151D	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27241D

Deuteranopia (green-blind)

#37321B

Tritanopia (blue-blind)

#600418

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #57151d;
/* rgb */ color: rgb(87, 21, 29);
/* oklch */ color: oklch(31.0% 0.096 18.1);

Tailwind

colors: {
  custom: {
    50: '#8b5858',
    500: '#57151d',
    950: '#000000',
  },
}

SCSS

$custom: #57151d;
$custom-light: #8b5858;
$custom-dark: #000000;

JSON

{
  "hex": "#57151d",
  "rgb": {
    "r": 87,
    "g": 21,
    "b": 29
  },
  "hsl": {
    "h": 352.727,
    "s": 61.111,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31016,
    "c": 0.09627,
    "h": 18.1
  },
  "luminance": 0.02651
}

Semantic roles & 50–950 ramp

primary

#57151D

secondary

#398F84

accent

#E4D144

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #57151D

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

Preview Lab → · Contrast checker → · Palette generator →