#571B0C#571B0C

#571B0C is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.5% C 0.092 H 35.0°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#571B0C
RGB	rgb(87, 27, 12)
HSL	hsl(12, 76%, 19%)
HSV	hsv(12, 86%, 34%)
CMYK	cmyk(0%, 69%, 86.2%, 65.9%)
CIE-LAB	lab(19.38, 26.89, 23.91)
CIE-LCH	lch(19.38, 35.98, 41.65°)
OKLab	oklab(31.52% 0.0756 0.053)
OKLCH	oklch(31.52% 0.092 35)
XYZ	xyz(4.3893, 2.8373, 0.6643)
Luminance	0.0284 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B0C #0C4857

analogous

#570C23 #571B0C #57410C

triadic

#571B0C #0C571B #1B0C57

tetradic

#571B0C #23570C #0C4857 #410C57

square

#571B0C #23570C #0C4857 #410C57

split-complementary

#571B0C #0C5741 #0C2357

monochromatic

#1B0804 #210A05 #571B0C #8D2C13 #C33C1B

Accessibility & contrast

On white

13.40

#571B0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#571B0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B0C

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B0C	#FFFFFF	#000000	##FFFFFF
##571B0C	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C270A

Deuteranopia (green-blind)

#3B340A

Tritanopia (blue-blind)

#600B18

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #571b0c;
/* rgb */ color: rgb(87, 27, 12);
/* oklch */ color: oklch(31.5% 0.092 35.0);

Tailwind

colors: {
  custom: {
    50: '#8d5a4c',
    500: '#571b0c',
    950: '#000000',
  },
}

SCSS

$custom: #571b0c;
$custom-light: #8d5a4c;
$custom-dark: #000000;

JSON

{
  "hex": "#571b0c",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 12
  },
  "hsl": {
    "h": 12,
    "s": 75.758,
    "l": 19.412
  },
  "oklch": {
    "l": 0.31521,
    "c": 0.09236,
    "h": 35
  },
  "luminance": 0.02837
}

Semantic roles & 50–950 ramp

primary

#571B0C

secondary

#2D7E92

accent

#CDF235

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #571B0C

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

Preview Lab → · Contrast checker → · Palette generator →