#57101F#57101F

#57101F is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.5% C 0.102 H 14.0°. Best body text is #FFFFFF at 14.01:1 contrast (WCAG AA passes).

Color values

HEX	#57101F
RGB	rgb(87, 16, 31)
HSL	hsl(347, 69%, 20%)
HSV	hsv(347, 82%, 34%)
CMYK	cmyk(0%, 81.6%, 64.4%, 65.9%)
CIE-LAB	lab(17.90, 32.90, 10.00)
CIE-LCH	lch(17.90, 34.39, 16.91°)
OKLab	oklab(30.52% 0.099 0.0246)
OKLCH	oklch(30.52% 0.102 14)
XYZ	xyz(4.3635, 2.4964, 1.5481)
Luminance	0.0250 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57101F #105748

analogous

#571042 #57101F #572410

triadic

#57101F #1F5710 #101F57

tetradic

#57101F #425710 #105748 #241057

square

#57101F #425710 #105748 #241057

split-complementary

#57101F #105724 #104257

monochromatic

#1A0509 #23060D #57101F #8B1A31 #BE2344

Accessibility & contrast

On white

14.01

#57101F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#57101F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57101F

14.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57101F	#FFFFFF	#000000	##FFFFFF
##57101F	1.00	14.01	1.50	14.01
#FFFFFF	14.01	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23221F

Deuteranopia (green-blind)

#36311D

Tritanopia (blue-blind)

#600016

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #57101f;
/* rgb */ color: rgb(87, 16, 31);
/* oklch */ color: oklch(30.5% 0.102 14.0);

Tailwind

colors: {
  custom: {
    50: '#8c555a',
    500: '#57101f',
    950: '#000000',
  },
}

SCSS

$custom: #57101f;
$custom-light: #8c555a;
$custom-dark: #000000;

JSON

{
  "hex": "#57101f",
  "rgb": {
    "r": 87,
    "g": 16,
    "b": 31
  },
  "hsl": {
    "h": 347.324,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.30518,
    "c": 0.10199,
    "h": 14
  },
  "luminance": 0.02496
}

Semantic roles & 50–950 ramp

primary

#57101F

secondary

#32907D

accent

#ECC73C

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #57101F

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

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