#57191B#57191B

#57191B is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.5% C 0.092 H 22.3°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#57191B
RGB	rgb(87, 25, 27)
HSL	hsl(358, 55%, 22%)
HSV	hsv(358, 71%, 34%)
CMYK	cmyk(0%, 71.3%, 69%, 65.9%)
CIE-LAB	lab(19.23, 28.71, 14.55)
CIE-LCH	lch(19.23, 32.19, 26.87°)
OKLab	oklab(31.48% 0.0847 0.0347)
OKLCH	oklch(31.48% 0.092 22.3)
XYZ	xyz(4.4764, 2.8013, 1.3417)
Luminance	0.0280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57191B #195755

analogous

#57193A #57191B #573619

triadic

#57191B #1B5719 #191B57

tetradic

#57191B #3A5719 #195755 #361957

square

#57191B #3A5719 #195755 #361957

split-complementary

#57191B #195736 #193A57

monochromatic

#180707 #270B0C #57191B #87272A #B63439

Accessibility & contrast

On white

13.46

#57191B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#57191B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57191B

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57191B	#FFFFFF	#000000	##FFFFFF
##57191B	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29261B

Deuteranopia (green-blind)

#393419

Tritanopia (blue-blind)

#600B1A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #57191b;
/* rgb */ color: rgb(87, 25, 27);
/* oklch */ color: oklch(31.5% 0.092 22.3);

Tailwind

colors: {
  custom: {
    50: '#8b5a57',
    500: '#57191b',
    950: '#000000',
  },
}

SCSS

$custom: #57191b;
$custom-light: #8b5a57;
$custom-dark: #000000;

JSON

{
  "hex": "#57191b",
  "rgb": {
    "r": 87,
    "g": 25,
    "b": 27
  },
  "hsl": {
    "h": 358.065,
    "s": 55.357,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31479,
    "c": 0.09157,
    "h": 22.3
  },
  "luminance": 0.02801
}

Semantic roles & 50–950 ramp

primary

#57191B

secondary

#3E8D8B

accent

#DFDA49

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #57191B

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

Preview Lab → · Contrast checker → · Palette generator →