#571B0F#571B0F

#571B0F is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.6% C 0.092 H 33.2°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#571B0F
RGB	rgb(87, 27, 15)
HSL	hsl(10, 71%, 20%)
HSV	hsv(10, 83%, 34%)
CMYK	cmyk(0%, 69%, 82.8%, 65.9%)
CIE-LAB	lab(19.41, 27.01, 22.47)
CIE-LCH	lch(19.41, 35.14, 39.76°)
OKLab	oklab(31.56% 0.0767 0.0502)
OKLCH	oklch(31.56% 0.092 33.2)
XYZ	xyz(4.4091, 2.8452, 0.7689)
Luminance	0.0284 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B0F #0F4B57

analogous

#570F27 #571B0F #573F0F

triadic

#571B0F #0F571B #1B0F57

tetradic

#571B0F #27570F #0F4B57 #3F0F57

square

#571B0F #27570F #0F4B57 #3F0F57

split-complementary

#571B0F #0F573F #0F2757

monochromatic

#1A0805 #230B06 #571B0F #8B2B18 #BF3B21

Accessibility & contrast

On white

13.38

#571B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#571B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B0F

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B0F	#FFFFFF	#000000	##FFFFFF
##571B0F	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C270D

Deuteranopia (green-blind)

#3B340D

Tritanopia (blue-blind)

#600B19

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #571b0f;
/* rgb */ color: rgb(87, 27, 15);
/* oklch */ color: oklch(31.6% 0.092 33.2);

Tailwind

colors: {
  custom: {
    50: '#8c5b4e',
    500: '#571b0f',
    950: '#000000',
  },
}

SCSS

$custom: #571b0f;
$custom-light: #8c5b4e;
$custom-dark: #000000;

JSON

{
  "hex": "#571b0f",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 15
  },
  "hsl": {
    "h": 10,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.31557,
    "c": 0.0916,
    "h": 33.2
  },
  "luminance": 0.02845
}

Semantic roles & 50–950 ramp

primary

#571B0F

secondary

#318191

accent

#D0ED3A

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #571B0F

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

Preview Lab → · Contrast checker → · Palette generator →