#57101C#57101C

#57101C is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.4% C 0.102 H 16.6°. Best body text is #FFFFFF at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#57101C
RGB	rgb(87, 16, 28)
HSL	hsl(350, 69%, 20%)
HSV	hsv(350, 82%, 34%)
CMYK	cmyk(0%, 81.6%, 67.8%, 65.9%)
CIE-LAB	lab(17.83, 32.68, 12.05)
CIE-LCH	lch(17.83, 34.83, 20.24°)
OKLab	oklab(30.45% 0.0976 0.0291)
OKLCH	oklch(30.45% 0.102 16.6)
XYZ	xyz(4.3258, 2.4813, 1.3495)
Luminance	0.0248 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57101C #10574B

analogous

#57103F #57101C #572710

triadic

#57101C #1C5710 #101C57

tetradic

#57101C #3F5710 #10574B #271057

square

#57101C #3F5710 #10574B #271057

split-complementary

#57101C #105727 #103F57

monochromatic

#1A0508 #23060B #57101C #8B1A2D #BE233D

Accessibility & contrast

On white

14.04

#57101C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#57101C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57101C

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57101C	#FFFFFF	#000000	##FFFFFF
##57101C	1.00	14.04	1.50	14.04
#FFFFFF	14.04	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24221C

Deuteranopia (green-blind)

#36311A

Tritanopia (blue-blind)

#600015

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #57101c;
/* rgb */ color: rgb(87, 16, 28);
/* oklch */ color: oklch(30.4% 0.102 16.6);

Tailwind

colors: {
  custom: {
    50: '#8c5557',
    500: '#57101c',
    950: '#000000',
  },
}

SCSS

$custom: #57101c;
$custom-light: #8c5557;
$custom-dark: #000000;

JSON

{
  "hex": "#57101c",
  "rgb": {
    "r": 87,
    "g": 16,
    "b": 28
  },
  "hsl": {
    "h": 349.859,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.30445,
    "c": 0.10186,
    "h": 16.6
  },
  "luminance": 0.02481
}

Semantic roles & 50–950 ramp

primary

#57101C

secondary

#329081

accent

#ECCE3C

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #57101C

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

Preview Lab → · Contrast checker → · Palette generator →