#573B13#573B13

#573B13 is a dark, moderate orange. Relative luminance 0.052; OKLCH L 37.6% C 0.067 H 72.5°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#573B13
RGB	rgb(87, 59, 19)
HSL	hsl(35, 64%, 21%)
HSV	hsv(35, 78%, 34%)
CMYK	cmyk(0%, 32.2%, 78.2%, 65.9%)
CIE-LAB	lab(27.30, 8.06, 28.66)
CIE-LCH	lch(27.30, 29.77, 74.30°)
OKLab	oklab(37.63% 0.0202 0.064)
OKLCH	oklch(37.63% 0.067 72.5)
XYZ	xyz(5.6124, 5.2017, 1.3244)
Luminance	0.0520 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573B13 #132F57

analogous

#571913 #573B13 #515713

triadic

#573B13 #13573B #3B1357

tetradic

#573B13 #135719 #132F57 #571351

square

#573B13 #135719 #132F57 #571351

split-complementary

#573B13 #135157 #191357

monochromatic

#191105 #251908 #573B13 #895D1E #BB7F29

Accessibility & contrast

On white

10.29

#573B13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#573B13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573B13

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573B13	#FFFFFF	#000000	##FFFFFF
##573B13	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D0E

Deuteranopia (green-blind)

#4B4314

Tritanopia (blue-blind)

#5F3433

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #573b13;
/* rgb */ color: rgb(87, 59, 19);
/* oklch */ color: oklch(37.6% 0.067 72.5);

Tailwind

colors: {
  custom: {
    50: '#8a7053',
    500: '#573b13',
    950: '#000000',
  },
}

SCSS

$custom: #573b13;
$custom-light: #8a7053;
$custom-dark: #000000;

JSON

{
  "hex": "#573b13",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 19
  },
  "hsl": {
    "h": 35.294,
    "s": 64.151,
    "l": 20.784
  },
  "oklch": {
    "l": 0.37625,
    "c": 0.06712,
    "h": 72.5
  },
  "luminance": 0.05201
}

Semantic roles & 50–950 ramp

primary

#573B13

secondary

#365B8F

accent

#85E741

background

#F8F6F4

surface

#F0ECE7

border

#CBC7C3

text

#0C0702

muted

#7D7A78

Preview Lab

Preview with #573B13

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

Preview Lab → · Contrast checker → · Palette generator →