#57101D#57101D

#57101D is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.5% C 0.102 H 15.7°. Best body text is #FFFFFF at 14.03:1 contrast (WCAG AA passes).

Color values

HEX	#57101D
RGB	rgb(87, 16, 29)
HSL	hsl(349, 69%, 20%)
HSV	hsv(349, 82%, 34%)
CMYK	cmyk(0%, 81.6%, 66.7%, 65.9%)
CIE-LAB	lab(17.86, 32.75, 11.37)
CIE-LCH	lch(17.86, 34.67, 19.14°)
OKLab	oklab(30.47% 0.0981 0.0277)
OKLCH	oklch(30.47% 0.102 15.7)
XYZ	xyz(4.3380, 2.4862, 1.4136)
Luminance	0.0249 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57101D #10574A

analogous

#571040 #57101D #572610

triadic

#57101D #1D5710 #101D57

tetradic

#57101D #405710 #10574A #261057

square

#57101D #405710 #10574A #261057

split-complementary

#57101D #105726 #104057

monochromatic

#1A0509 #23060C #57101D #8B1A2E #BE233F

Accessibility & contrast

On white

14.03

#57101D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#57101D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57101D

14.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57101D	#FFFFFF	#000000	##FFFFFF
##57101D	1.00	14.03	1.50	14.03
#FFFFFF	14.03	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24221D

Deuteranopia (green-blind)

#36311B

Tritanopia (blue-blind)

#600016

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #57101d;
/* rgb */ color: rgb(87, 16, 29);
/* oklch */ color: oklch(30.5% 0.102 15.7);

Tailwind

colors: {
  custom: {
    50: '#8c5558',
    500: '#57101d',
    950: '#000000',
  },
}

SCSS

$custom: #57101d;
$custom-light: #8c5558;
$custom-dark: #000000;

JSON

{
  "hex": "#57101d",
  "rgb": {
    "r": 87,
    "g": 16,
    "b": 29
  },
  "hsl": {
    "h": 349.014,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.30469,
    "c": 0.10189,
    "h": 15.7
  },
  "luminance": 0.02486
}

Semantic roles & 50–950 ramp

primary

#57101D

secondary

#32907F

accent

#ECCC3C

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #57101D

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

Preview Lab → · Contrast checker → · Palette generator →