#571B13#571B13

#571B13 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.6% C 0.091 H 30.4°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#571B13
RGB	rgb(87, 27, 19)
HSL	hsl(7, 64%, 21%)
HSV	hsv(7, 78%, 34%)
CMYK	cmyk(0%, 69%, 78.2%, 65.9%)
CIE-LAB	lab(19.46, 27.21, 20.20)
CIE-LCH	lch(19.46, 33.89, 36.59°)
OKLab	oklab(31.61% 0.0782 0.0459)
OKLCH	oklch(31.61% 0.091 30.4)
XYZ	xyz(4.4404, 2.8577, 0.9337)
Luminance	0.0286 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B13 #134F57

analogous

#57132D #571B13 #573D13

triadic

#571B13 #13571B #1B1357

tetradic

#571B13 #2D5713 #134F57 #3D1357

square

#571B13 #2D5713 #134F57 #3D1357

split-complementary

#571B13 #13573D #132D57

monochromatic

#190805 #250B08 #571B13 #892B1E #BB3A29

Accessibility & contrast

On white

13.36

#571B13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#571B13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B13

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B13	#FFFFFF	#000000	##FFFFFF
##571B13	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2712

Deuteranopia (green-blind)

#3A3411

Tritanopia (blue-blind)

#600C19

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #571b13;
/* rgb */ color: rgb(87, 27, 19);
/* oklch */ color: oklch(31.6% 0.091 30.4);

Tailwind

colors: {
  custom: {
    50: '#8c5b51',
    500: '#571b13',
    950: '#000000',
  },
}

SCSS

$custom: #571b13;
$custom-light: #8c5b51;
$custom-dark: #000000;

JSON

{
  "hex": "#571b13",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 19
  },
  "hsl": {
    "h": 7.059,
    "s": 64.151,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31612,
    "c": 0.09064,
    "h": 30.4
  },
  "luminance": 0.02857
}

Semantic roles & 50–950 ramp

primary

#571B13

secondary

#36858F

accent

#D4E741

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #571B13

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

Preview Lab → · Contrast checker → · Palette generator →