#573A18#573A18

#573A18 is a dark, moderate orange. Relative luminance 0.051; OKLCH L 37.5% C 0.063 H 67.9°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#573A18
RGB	rgb(87, 58, 24)
HSL	hsl(32, 57%, 22%)
HSV	hsv(32, 72%, 34%)
CMYK	cmyk(0%, 33.3%, 72.4%, 65.9%)
CIE-LAB	lab(27.07, 9.01, 25.72)
CIE-LCH	lch(27.07, 27.25, 70.69°)
OKLab	oklab(37.46% 0.0238 0.0588)
OKLCH	oklch(37.46% 0.063 67.9)
XYZ	xyz(5.6088, 5.1188, 1.5566)
Luminance	0.0512 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573A18 #183557

analogous

#571B18 #573A18 #555718

triadic

#573A18 #18573A #3A1857

tetradic

#573A18 #18571B #183557 #571855

square

#573A18 #18571B #183557 #571855

split-complementary

#573A18 #185557 #1B1857

monochromatic

#181007 #271A0B #573A18 #875A25 #B77A32

Accessibility & contrast

On white

10.38

#573A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#573A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573A18

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573A18	#FFFFFF	#000000	##FFFFFF
##573A18	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443C14

Deuteranopia (green-blind)

#4A4319

Tritanopia (blue-blind)

#5F3332

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #573a18;
/* rgb */ color: rgb(87, 58, 24);
/* oklch */ color: oklch(37.5% 0.063 67.9);

Tailwind

colors: {
  custom: {
    50: '#897056',
    500: '#573a18',
    950: '#000000',
  },
}

SCSS

$custom: #573a18;
$custom-light: #897056;
$custom-dark: #000000;

JSON

{
  "hex": "#573a18",
  "rgb": {
    "r": 87,
    "g": 58,
    "b": 24
  },
  "hsl": {
    "h": 32.381,
    "s": 56.757,
    "l": 21.765
  },
  "oklch": {
    "l": 0.37462,
    "c": 0.06342,
    "h": 67.9
  },
  "luminance": 0.05118
}

Semantic roles & 50–950 ramp

primary

#573A18

secondary

#3D628E

accent

#8EE048

background

#F8F6F5

surface

#F0ECE9

border

#CBC7C5

text

#0C0703

muted

#7D7A78

Preview Lab

Preview with #573A18

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

Preview Lab → · Contrast checker → · Palette generator →