#573B17#573B17

#573B17 is a dark, moderate orange. Relative luminance 0.052; OKLCH L 37.7% C 0.064 H 70.3°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#573B17
RGB	rgb(87, 59, 23)
HSL	hsl(34, 58%, 22%)
HSV	hsv(34, 74%, 34%)
CMYK	cmyk(0%, 32.2%, 73.6%, 65.9%)
CIE-LAB	lab(27.34, 8.31, 26.57)
CIE-LCH	lch(27.34, 27.84, 72.64°)
OKLab	oklab(37.67% 0.0216 0.0604)
OKLCH	oklch(37.67% 0.064 70.3)
XYZ	xyz(5.6495, 5.2165, 1.5198)
Luminance	0.0522 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573B17 #173357

analogous

#571B17 #573B17 #535717

triadic

#573B17 #17573B #3B1757

tetradic

#573B17 #17571B #173357 #571753

square

#573B17 #17571B #173357 #571753

split-complementary

#573B17 #175357 #1B1757

monochromatic

#181006 #271A0A #573B17 #875C24 #B87D31

Accessibility & contrast

On white

10.28

#573B17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#573B17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573B17

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573B17	#FFFFFF	#000000	##FFFFFF
##573B17	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D13

Deuteranopia (green-blind)

#4B4318

Tritanopia (blue-blind)

#5F3433

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #573b17;
/* rgb */ color: rgb(87, 59, 23);
/* oklch */ color: oklch(37.7% 0.064 70.3);

Tailwind

colors: {
  custom: {
    50: '#897056',
    500: '#573b17',
    950: '#000000',
  },
}

SCSS

$custom: #573b17;
$custom-light: #897056;
$custom-dark: #000000;

JSON

{
  "hex": "#573b17",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 23
  },
  "hsl": {
    "h": 33.75,
    "s": 58.182,
    "l": 21.569
  },
  "oklch": {
    "l": 0.3767,
    "c": 0.06414,
    "h": 70.3
  },
  "luminance": 0.05216
}

Semantic roles & 50–950 ramp

primary

#573B17

secondary

#3C608E

accent

#8AE146

background

#F8F6F5

surface

#F0ECE9

border

#CBC7C5

text

#0C0703

muted

#7D7A78

Preview Lab

Preview with #573B17

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

Preview Lab → · Contrast checker → · Palette generator →