#571510#571510

#571510 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.8% C 0.098 H 28.5°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#571510
RGB	rgb(87, 21, 16)
HSL	hsl(4, 69%, 20%)
HSV	hsv(4, 82%, 34%)
CMYK	cmyk(0%, 75.9%, 81.6%, 65.9%)
CIE-LAB	lab(18.37, 29.92, 20.71)
CIE-LCH	lch(18.37, 36.39, 34.69°)
OKLab	oklab(30.78% 0.086 0.0466)
OKLCH	oklch(30.78% 0.098 28.5)
XYZ	xyz(4.2927, 2.6006, 0.7661)
Luminance	0.0260 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571510 #105257

analogous

#57102F #571510 #573810

triadic

#571510 #105715 #151057

tetradic

#571510 #2F5710 #105257 #381057

square

#571510 #2F5710 #105257 #381057

split-complementary

#571510 #105738 #102F57

monochromatic

#1A0605 #230906 #571510 #8B211A #BE2E23

Accessibility & contrast

On white

13.82

#571510 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#571510 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571510

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571510	#FFFFFF	#000000	##FFFFFF
##571510	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28240F

Deuteranopia (green-blind)

#39320E

Tritanopia (blue-blind)

#600114

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #571510;
/* rgb */ color: rgb(87, 21, 16);
/* oklch */ color: oklch(30.8% 0.098 28.5);

Tailwind

colors: {
  custom: {
    50: '#8d574e',
    500: '#571510',
    950: '#000000',
  },
}

SCSS

$custom: #571510;
$custom-light: #8d574e;
$custom-dark: #000000;

JSON

{
  "hex": "#571510",
  "rgb": {
    "r": 87,
    "g": 21,
    "b": 16
  },
  "hsl": {
    "h": 4.225,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.30776,
    "c": 0.09781,
    "h": 28.5
  },
  "luminance": 0.026
}

Semantic roles & 50–950 ramp

primary

#571510

secondary

#328A90

accent

#DFEC3C

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #571510

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

Preview Lab → · Contrast checker → · Palette generator →