#571017#571017

#571017 is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.3% C 0.102 H 20.8°. Best body text is #FFFFFF at 14.08:1 contrast (WCAG AA passes).

Color values

HEX	#571017
RGB	rgb(87, 16, 23)
HSL	hsl(354, 69%, 20%)
HSV	hsv(354, 82%, 34%)
CMYK	cmyk(0%, 81.6%, 73.6%, 65.9%)
CIE-LAB	lab(17.73, 32.36, 15.45)
CIE-LCH	lch(17.73, 35.86, 25.53°)
OKLab	oklab(30.34% 0.0954 0.0362)
OKLCH	oklch(30.34% 0.102 20.8)
XYZ	xyz(4.2709, 2.4593, 1.0603)
Luminance	0.0246 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571017 #105750

analogous

#57103A #571017 #572D10

triadic

#571017 #175710 #101757

tetradic

#571017 #3A5710 #105750 #2D1057

square

#571017 #3A5710 #105750 #2D1057

split-complementary

#571017 #10572D #103A57

monochromatic

#1A0507 #230609 #571017 #8B1A25 #BE2332

Accessibility & contrast

On white

14.08

#571017 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#571017 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571017

14.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571017	#FFFFFF	#000000	##FFFFFF
##571017	1.00	14.08	1.49	14.08
#FFFFFF	14.08	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252217

Deuteranopia (green-blind)

#363115

Tritanopia (blue-blind)

#600013

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #571017;
/* rgb */ color: rgb(87, 16, 23);
/* oklch */ color: oklch(30.3% 0.102 20.8);

Tailwind

colors: {
  custom: {
    50: '#8c5553',
    500: '#571017',
    950: '#000000',
  },
}

SCSS

$custom: #571017;
$custom-light: #8c5553;
$custom-dark: #000000;

JSON

{
  "hex": "#571017",
  "rgb": {
    "r": 87,
    "g": 16,
    "b": 23
  },
  "hsl": {
    "h": 354.085,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.30338,
    "c": 0.10202,
    "h": 20.8
  },
  "luminance": 0.02459
}

Semantic roles & 50–950 ramp

primary

#571017

secondary

#329087

accent

#ECDA3C

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0302

muted

#7E7878

Preview Lab

Preview with #571017

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

Preview Lab → · Contrast checker → · Palette generator →