#57101E#57101E

#57101E is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.5% C 0.102 H 14.9°. Best body text is #FFFFFF at 14.02:1 contrast (WCAG AA passes).

Color values

HEX	#57101E
RGB	rgb(87, 16, 30)
HSL	hsl(348, 69%, 20%)
HSV	hsv(348, 82%, 34%)
CMYK	cmyk(0%, 81.6%, 65.5%, 65.9%)
CIE-LAB	lab(17.88, 32.83, 10.68)
CIE-LCH	lch(17.88, 34.52, 18.03°)
OKLab	oklab(30.49% 0.0985 0.0262)
OKLCH	oklch(30.49% 0.102 14.9)
XYZ	xyz(4.3506, 2.4912, 1.4798)
Luminance	0.0249 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57101E #105749

analogous

#571041 #57101E #572510

triadic

#57101E #1E5710 #101E57

tetradic

#57101E #415710 #105749 #251057

square

#57101E #415710 #105749 #251057

split-complementary

#57101E #105725 #104157

monochromatic

#1A0509 #23060C #57101E #8B1A30 #BE2342

Accessibility & contrast

On white

14.02

#57101E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#57101E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57101E

14.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57101E	#FFFFFF	#000000	##FFFFFF
##57101E	1.00	14.02	1.50	14.02
#FFFFFF	14.02	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24221E

Deuteranopia (green-blind)

#36311C

Tritanopia (blue-blind)

#600016

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #57101e;
/* rgb */ color: rgb(87, 16, 30);
/* oklch */ color: oklch(30.5% 0.102 14.9);

Tailwind

colors: {
  custom: {
    50: '#8c5559',
    500: '#57101e',
    950: '#000000',
  },
}

SCSS

$custom: #57101e;
$custom-light: #8c5559;
$custom-dark: #000000;

JSON

{
  "hex": "#57101e",
  "rgb": {
    "r": 87,
    "g": 16,
    "b": 30
  },
  "hsl": {
    "h": 348.169,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.30493,
    "c": 0.10193,
    "h": 14.9
  },
  "luminance": 0.02491
}

Semantic roles & 50–950 ramp

primary

#57101E

secondary

#32907E

accent

#ECC93C

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #57101E

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

Preview Lab → · Contrast checker → · Palette generator →