#57100D#57100D

#57100D is a dark, moderate red. Relative luminance 0.024; OKLCH L 30.2% C 0.103 H 27.8°. Best body text is #FFFFFF at 14.14:1 contrast (WCAG AA passes).

Color values

HEX	#57100D
RGB	rgb(87, 16, 13)
HSL	hsl(2, 74%, 20%)
HSV	hsv(2, 85%, 34%)
CMYK	cmyk(0%, 81.6%, 85.1%, 65.9%)
CIE-LAB	lab(17.58, 31.86, 21.33)
CIE-LCH	lch(17.58, 38.34, 33.80°)
OKLab	oklab(30.18% 0.0913 0.0481)
OKLCH	oklch(30.18% 0.103 27.8)
XYZ	xyz(4.1889, 2.4265, 0.6285)
Luminance	0.0243 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57100D #0D5457

analogous

#570D2F #57100D #57350D

triadic

#57100D #0D5710 #100D57

tetradic

#57100D #2F570D #0D5457 #350D57

square

#57100D #2F570D #0D5457 #350D57

split-complementary

#57100D #0D5735 #0D2F57

monochromatic

#1B0504 #220605 #57100D #8C1A15 #C1241D

Accessibility & contrast

On white

14.14

#57100D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#57100D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57100D

14.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57100D	#FFFFFF	#000000	##FFFFFF
##57100D	1.00	14.14	1.49	14.14
#FFFFFF	14.14	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26210C

Deuteranopia (green-blind)

#37310A

Tritanopia (blue-blind)

#610010

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #57100d;
/* rgb */ color: rgb(87, 16, 13);
/* oklch */ color: oklch(30.2% 0.103 27.8);

Tailwind

colors: {
  custom: {
    50: '#8d554c',
    500: '#57100d',
    950: '#000000',
  },
}

SCSS

$custom: #57100d;
$custom-light: #8d554c;
$custom-dark: #000000;

JSON

{
  "hex": "#57100d",
  "rgb": {
    "r": 87,
    "g": 16,
    "b": 13
  },
  "hsl": {
    "h": 2.432,
    "s": 74,
    "l": 19.608
  },
  "oklch": {
    "l": 0.30178,
    "c": 0.10322,
    "h": 27.8
  },
  "luminance": 0.02426
}

Semantic roles & 50–950 ramp

primary

#57100D

secondary

#2E8E92

accent

#E9F137

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #57100D

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

Preview Lab → · Contrast checker → · Palette generator →