#57170D#57170D

#57170D is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.0% C 0.096 H 31.6°. Best body text is #FFFFFF at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#57170D
RGB	rgb(87, 23, 13)
HSL	hsl(8, 74%, 20%)
HSV	hsv(8, 85%, 34%)
CMYK	cmyk(0%, 73.6%, 85.1%, 65.9%)
CIE-LAB	lab(18.66, 28.88, 22.61)
CIE-LCH	lch(18.66, 36.68, 38.06°)
OKLab	oklab(30.99% 0.082 0.0505)
OKLCH	oklch(30.99% 0.096 31.6)
XYZ	xyz(4.3100, 2.6687, 0.6689)
Luminance	0.0267 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57170D #0D4D57

analogous

#570D28 #57170D #573C0D

triadic

#57170D #0D5717 #170D57

tetradic

#57170D #28570D #0D4D57 #3C0D57

square

#57170D #28570D #0D4D57 #3C0D57

split-complementary

#57170D #0D573C #0D2857

monochromatic

#1B0704 #220905 #57170D #8C2515 #C1331D

Accessibility & contrast

On white

13.69

#57170D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#57170D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57170D

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57170D	#FFFFFF	#000000	##FFFFFF
##57170D	1.00	13.69	1.53	13.69
#FFFFFF	13.69	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A240B

Deuteranopia (green-blind)

#39330A

Tritanopia (blue-blind)

#610415

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #57170d;
/* rgb */ color: rgb(87, 23, 13);
/* oklch */ color: oklch(31.0% 0.096 31.6);

Tailwind

colors: {
  custom: {
    50: '#8d584d',
    500: '#57170d',
    950: '#000000',
  },
}

SCSS

$custom: #57170d;
$custom-light: #8d584d;
$custom-dark: #000000;

JSON

{
  "hex": "#57170d",
  "rgb": {
    "r": 87,
    "g": 23,
    "b": 13
  },
  "hsl": {
    "h": 8.108,
    "s": 74,
    "l": 19.608
  },
  "oklch": {
    "l": 0.30987,
    "c": 0.09632,
    "h": 31.6
  },
  "luminance": 0.02668
}

Semantic roles & 50–950 ramp

primary

#57170D

secondary

#2E8492

accent

#D8F137

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #57170D

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

Preview Lab → · Contrast checker → · Palette generator →