#57170F#57170F

#57170F is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.0% C 0.096 H 30.4°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#57170F
RGB	rgb(87, 23, 15)
HSL	hsl(7, 71%, 20%)
HSV	hsv(7, 83%, 34%)
CMYK	cmyk(0%, 73.6%, 82.8%, 65.9%)
CIE-LAB	lab(18.69, 28.97, 21.63)
CIE-LCH	lch(18.69, 36.15, 36.75°)
OKLab	oklab(31.01% 0.0827 0.0485)
OKLCH	oklch(31.01% 0.096 30.4)
XYZ	xyz(4.3236, 2.6742, 0.7403)
Luminance	0.0267 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57170F #0F4F57

analogous

#570F2B #57170F #573B0F

triadic

#57170F #0F5717 #170F57

tetradic

#57170F #2B570F #0F4F57 #3B0F57

square

#57170F #2B570F #0F4F57 #3B0F57

split-complementary

#57170F #0F573B #0F2B57

monochromatic

#1A0705 #230906 #57170F #8B2518 #BF3321

Accessibility & contrast

On white

13.68

#57170F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#57170F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57170F

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57170F	#FFFFFF	#000000	##FFFFFF
##57170F	1.00	13.68	1.53	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29250E

Deuteranopia (green-blind)

#39330D

Tritanopia (blue-blind)

#600416

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #57170f;
/* rgb */ color: rgb(87, 23, 15);
/* oklch */ color: oklch(31.0% 0.096 30.4);

Tailwind

colors: {
  custom: {
    50: '#8d584e',
    500: '#57170f',
    950: '#000000',
  },
}

SCSS

$custom: #57170f;
$custom-light: #8d584e;
$custom-dark: #000000;

JSON

{
  "hex": "#57170f",
  "rgb": {
    "r": 87,
    "g": 23,
    "b": 15
  },
  "hsl": {
    "h": 6.667,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.31012,
    "c": 0.09591,
    "h": 30.4
  },
  "luminance": 0.02674
}

Semantic roles & 50–950 ramp

primary

#57170F

secondary

#318691

accent

#D9ED3A

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #57170F

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

Preview Lab → · Contrast checker → · Palette generator →