#571B2A#571B2A

#571B2A is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.1% C 0.089 H 8.4°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#571B2A
RGB	rgb(87, 27, 42)
HSL	hsl(345, 53%, 22%)
HSV	hsv(345, 69%, 34%)
CMYK	cmyk(0%, 69%, 51.7%, 65.9%)
CIE-LAB	lab(19.96, 29.07, 5.03)
CIE-LCH	lch(19.96, 29.50, 9.82°)
OKLab	oklab(32.14% 0.0884 0.0131)
OKLCH	oklch(32.14% 0.089 8.4)
XYZ	xyz(4.7407, 2.9779, 2.5152)
Luminance	0.0298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B2A #1B5748

analogous

#571B48 #571B2A #572A1B

triadic

#571B2A #2A571B #1B2A57

tetradic

#571B2A #48571B #1B5748 #2A1B57

square

#571B2A #48571B #1B5748 #2A1B57

split-complementary

#571B2A #1B572A #1B4857

monochromatic

#17070B #280D13 #571B2A #862941 #B43857

Accessibility & contrast

On white

13.16

#571B2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#571B2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B2A

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B2A	#FFFFFF	#000000	##FFFFFF
##571B2A	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28292A

Deuteranopia (green-blind)

#383529

Tritanopia (blue-blind)

#5F1221

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #571b2a;
/* rgb */ color: rgb(87, 27, 42);
/* oklch */ color: oklch(32.1% 0.089 8.4);

Tailwind

colors: {
  custom: {
    50: '#8a5b63',
    500: '#571b2a',
    950: '#000000',
  },
}

SCSS

$custom: #571b2a;
$custom-light: #8a5b63;
$custom-dark: #000000;

JSON

{
  "hex": "#571b2a",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 42
  },
  "hsl": {
    "h": 345,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.32138,
    "c": 0.08934,
    "h": 8.4
  },
  "luminance": 0.02977
}

Semantic roles & 50–950 ramp

primary

#571B2A

secondary

#418D7A

accent

#DCB84C

background

#F8F5F5

surface

#F0E9EA

border

#CBC5C6

text

#0C0405

muted

#7D7979

Preview Lab

Preview with #571B2A

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

Preview Lab → · Contrast checker → · Palette generator →