#57170C#57170C

#57170C is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.0% C 0.097 H 32.2°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#57170C
RGB	rgb(87, 23, 12)
HSL	hsl(9, 76%, 19%)
HSV	hsv(9, 86%, 34%)
CMYK	cmyk(0%, 73.6%, 86.2%, 65.9%)
CIE-LAB	lab(18.65, 28.84, 23.07)
CIE-LCH	lch(18.65, 36.93, 38.65°)
OKLab	oklab(30.98% 0.0817 0.0514)
OKLCH	oklch(30.98% 0.097 32.2)
XYZ	xyz(4.3037, 2.6662, 0.6358)
Luminance	0.0267 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57170C #0C4C57

analogous

#570C27 #57170C #573D0C

triadic

#57170C #0C5717 #170C57

tetradic

#57170C #27570C #0C4C57 #3D0C57

square

#57170C #27570C #0C4C57 #3D0C57

split-complementary

#57170C #0C573D #0C2757

monochromatic

#1B0704 #210905 #57170C #8D2513 #C3331B

Accessibility & contrast

On white

13.70

#57170C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#57170C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57170C

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57170C	#FFFFFF	#000000	##FFFFFF
##57170C	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A240A

Deuteranopia (green-blind)

#393309

Tritanopia (blue-blind)

#610315

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #57170c;
/* rgb */ color: rgb(87, 23, 12);
/* oklch */ color: oklch(31.0% 0.097 32.2);

Tailwind

colors: {
  custom: {
    50: '#8d584c',
    500: '#57170c',
    950: '#000000',
  },
}

SCSS

$custom: #57170c;
$custom-light: #8d584c;
$custom-dark: #000000;

JSON

{
  "hex": "#57170c",
  "rgb": {
    "r": 87,
    "g": 23,
    "b": 12
  },
  "hsl": {
    "h": 8.8,
    "s": 75.758,
    "l": 19.412
  },
  "oklch": {
    "l": 0.30975,
    "c": 0.09653,
    "h": 32.2
  },
  "luminance": 0.02666
}

Semantic roles & 50–950 ramp

primary

#57170C

secondary

#2D8392

accent

#D7F235

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #57170C

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

Preview Lab → · Contrast checker → · Palette generator →