#571B23#571B23

#571B23 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.9% C 0.089 H 15.8°. Best body text is #FFFFFF at 13.24:1 contrast (WCAG AA passes).

Color values

HEX	#571B23
RGB	rgb(87, 27, 35)
HSL	hsl(352, 53%, 22%)
HSV	hsv(352, 69%, 34%)
CMYK	cmyk(0%, 69%, 59.8%, 65.9%)
CIE-LAB	lab(19.77, 28.38, 9.69)
CIE-LCH	lch(19.77, 29.98, 18.85°)
OKLab	oklab(31.94% 0.0852 0.0241)
OKLCH	oklch(31.94% 0.089 15.8)
XYZ	xyz(4.6262, 2.9321, 1.9121)
Luminance	0.0293 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B23 #1B574F

analogous

#571B41 #571B23 #57311B

triadic

#571B23 #23571B #1B2357

tetradic

#571B23 #41571B #1B574F #311B57

square

#571B23 #41571B #1B574F #311B57

split-complementary

#571B23 #1B5731 #1B4157

monochromatic

#170709 #280D10 #571B23 #862936 #B43849

Accessibility & contrast

On white

13.24

#571B23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#571B23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B23

13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B23	#FFFFFF	#000000	##FFFFFF
##571B23	1.00	13.24	1.59	13.24
#FFFFFF	13.24	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292823

Deuteranopia (green-blind)

#393422

Tritanopia (blue-blind)

#60101E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #571b23;
/* rgb */ color: rgb(87, 27, 35);
/* oklch */ color: oklch(31.9% 0.089 15.8);

Tailwind

colors: {
  custom: {
    50: '#8b5b5d',
    500: '#571b23',
    950: '#000000',
  },
}

SCSS

$custom: #571b23;
$custom-light: #8b5b5d;
$custom-dark: #000000;

JSON

{
  "hex": "#571b23",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 35
  },
  "hsl": {
    "h": 352,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.31939,
    "c": 0.08859,
    "h": 15.8
  },
  "luminance": 0.02931
}

Semantic roles & 50–950 ramp

primary

#571B23

secondary

#418D83

accent

#DCC94C

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0404

muted

#7D7979

Preview Lab

Preview with #571B23

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

Preview Lab → · Contrast checker → · Palette generator →