#571C10#571C10

#571C10 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.7% C 0.090 H 33.3°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#571C10
RGB	rgb(87, 28, 16)
HSL	hsl(10, 69%, 20%)
HSV	hsv(10, 82%, 34%)
CMYK	cmyk(0%, 67.8%, 81.6%, 65.9%)
CIE-LAB	lab(19.62, 26.55, 22.16)
CIE-LCH	lch(19.62, 34.58, 39.86°)
OKLab	oklab(31.71% 0.0754 0.0496)
OKLCH	oklch(31.71% 0.09 33.3)
XYZ	xyz(4.4397, 2.8948, 0.8151)
Luminance	0.0289 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571C10 #104B57

analogous

#571027 #571C10 #573F10

triadic

#571C10 #10571C #1C1057

tetradic

#571C10 #275710 #104B57 #3F1057

square

#571C10 #275710 #104B57 #3F1057

split-complementary

#571C10 #10573F #102757

monochromatic

#1A0805 #230B06 #571C10 #8B2D1A #BE3D23

Accessibility & contrast

On white

13.30

#571C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#571C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571C10

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571C10	#FFFFFF	#000000	##FFFFFF
##571C10	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)

#2C270E

Deuteranopia (green-blind)

#3B340E

Tritanopia (blue-blind)

#600D1A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #571c10;
/* rgb */ color: rgb(87, 28, 16);
/* oklch */ color: oklch(31.7% 0.090 33.3);

Tailwind

colors: {
  custom: {
    50: '#8c5b4f',
    500: '#571c10',
    950: '#000000',
  },
}

SCSS

$custom: #571c10;
$custom-light: #8c5b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#571c10",
  "rgb": {
    "r": 87,
    "g": 28,
    "b": 16
  },
  "hsl": {
    "h": 10.141,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.31714,
    "c": 0.09027,
    "h": 33.3
  },
  "luminance": 0.02894
}

Semantic roles & 50–950 ramp

primary

#571C10

secondary

#328190

accent

#CEEC3C

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #571C10

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

Preview Lab → · Contrast checker → · Palette generator →