#57100C#57100C

#57100C is a dark, moderate red. Relative luminance 0.024; OKLCH L 30.2% C 0.103 H 28.3°. Best body text is #FFFFFF at 14.15:1 contrast (WCAG AA passes).

Color values

HEX	#57100C
RGB	rgb(87, 16, 12)
HSL	hsl(3, 76%, 19%)
HSV	hsv(3, 86%, 34%)
CMYK	cmyk(0%, 81.6%, 86.2%, 65.9%)
CIE-LAB	lab(17.57, 31.82, 21.78)
CIE-LCH	lch(17.57, 38.56, 34.39°)
OKLab	oklab(30.17% 0.091 0.0491)
OKLCH	oklch(30.17% 0.103 28.3)
XYZ	xyz(4.1826, 2.4240, 0.5954)
Luminance	0.0242 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57100C #0C5357

analogous

#570C2E #57100C #57360C

triadic

#57100C #0C5710 #100C57

tetradic

#57100C #2E570C #0C5357 #360C57

square

#57100C #2E570C #0C5357 #360C57

split-complementary

#57100C #0C5736 #0C2E57

monochromatic

#1B0504 #210605 #57100C #8D1A13 #C3241B

Accessibility & contrast

On white

14.15

#57100C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#57100C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57100C

14.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57100C	#FFFFFF	#000000	##FFFFFF
##57100C	1.00	14.15	1.48	14.15
#FFFFFF	14.15	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26210B

Deuteranopia (green-blind)

#373109

Tritanopia (blue-blind)

#610010

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #57100c;
/* rgb */ color: rgb(87, 16, 12);
/* oklch */ color: oklch(30.2% 0.103 28.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#57100c",
  "rgb": {
    "r": 87,
    "g": 16,
    "b": 12
  },
  "hsl": {
    "h": 3.2,
    "s": 75.758,
    "l": 19.412
  },
  "oklch": {
    "l": 0.30166,
    "c": 0.10337,
    "h": 28.3
  },
  "luminance": 0.02423
}

Semantic roles & 50–950 ramp

primary

#57100C

secondary

#2D8D92

accent

#E8F235

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #57100C

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

Preview Lab → · Contrast checker → · Palette generator →