#573B15#573B15

#573B15 is a dark, moderate orange. Relative luminance 0.052; OKLCH L 37.6% C 0.066 H 71.5°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#573B15
RGB	rgb(87, 59, 21)
HSL	hsl(35, 61%, 21%)
HSV	hsv(35, 76%, 34%)
CMYK	cmyk(0%, 32.2%, 75.9%, 65.9%)
CIE-LAB	lab(27.32, 8.18, 27.64)
CIE-LCH	lch(27.32, 28.82, 73.51°)
OKLab	oklab(37.65% 0.0209 0.0623)
OKLCH	oklch(37.65% 0.066 71.5)
XYZ	xyz(5.6302, 5.2088, 1.4182)
Luminance	0.0521 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573B15 #153157

analogous

#571A15 #573B15 #525715

triadic

#573B15 #15573B #3B1557

tetradic

#573B15 #15571A #153157 #571552

square

#573B15 #15571A #153157 #571552

split-complementary

#573B15 #155257 #1A1557

monochromatic

#191106 #261A09 #573B15 #885C21 #BA7E2D

Accessibility & contrast

On white

10.29

#573B15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#573B15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573B15

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573B15	#FFFFFF	#000000	##FFFFFF
##573B15	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)

#453D11

Deuteranopia (green-blind)

#4B4316

Tritanopia (blue-blind)

#5F3433

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #573b15;
/* rgb */ color: rgb(87, 59, 21);
/* oklch */ color: oklch(37.6% 0.066 71.5);

Tailwind

colors: {
  custom: {
    50: '#8a7054',
    500: '#573b15',
    950: '#000000',
  },
}

SCSS

$custom: #573b15;
$custom-light: #8a7054;
$custom-dark: #000000;

JSON

{
  "hex": "#573b15",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 21
  },
  "hsl": {
    "h": 34.545,
    "s": 61.111,
    "l": 21.176
  },
  "oklch": {
    "l": 0.37647,
    "c": 0.06567,
    "h": 71.5
  },
  "luminance": 0.05208
}

Semantic roles & 50–950 ramp

primary

#573B15

secondary

#395D8F

accent

#88E444

background

#F8F6F4

surface

#F0ECE8

border

#CBC7C4

text

#0C0703

muted

#7D7A78

Preview Lab

Preview with #573B15

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

Preview Lab → · Contrast checker → · Palette generator →