#571C11#571C11

#571C11 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.7% C 0.090 H 32.6°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#571C11
RGB	rgb(87, 28, 17)
HSL	hsl(9, 67%, 20%)
HSV	hsv(9, 80%, 34%)
CMYK	cmyk(0%, 67.8%, 80.5%, 65.9%)
CIE-LAB	lab(19.63, 26.60, 21.61)
CIE-LCH	lch(19.63, 34.27, 39.09°)
OKLab	oklab(31.73% 0.0758 0.0485)
OKLCH	oklch(31.73% 0.09 32.6)
XYZ	xyz(4.4474, 2.8978, 0.8554)
Luminance	0.0290 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571C11 #114C57

analogous

#571129 #571C11 #573F11

triadic

#571C11 #11571C #1C1157

tetradic

#571C11 #295711 #114C57 #3F1157

square

#571C11 #295711 #114C57 #3F1157

split-complementary

#571C11 #11573F #112957

monochromatic

#1A0805 #240C07 #571C11 #8A2C1B #BD3D25

Accessibility & contrast

On white

13.30

#571C11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#571C11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571C11

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571C11	#FFFFFF	#000000	##FFFFFF
##571C11	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C270F

Deuteranopia (green-blind)

#3B340F

Tritanopia (blue-blind)

#600D1A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #571c11;
/* rgb */ color: rgb(87, 28, 17);
/* oklch */ color: oklch(31.7% 0.090 32.6);

Tailwind

colors: {
  custom: {
    50: '#8c5b4f',
    500: '#571c11',
    950: '#000000',
  },
}

SCSS

$custom: #571c11;
$custom-light: #8c5b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#571c11",
  "rgb": {
    "r": 87,
    "g": 28,
    "b": 17
  },
  "hsl": {
    "h": 9.429,
    "s": 67.308,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31728,
    "c": 0.09,
    "h": 32.6
  },
  "luminance": 0.02897
}

Semantic roles & 50–950 ramp

primary

#571C11

secondary

#348290

accent

#CFEA3E

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #571C11

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

Preview Lab → · Contrast checker → · Palette generator →