#573B11#573B11

#573B11 is a dark, moderate orange. Relative luminance 0.052; OKLCH L 37.6% C 0.069 H 73.4°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#573B11
RGB	rgb(87, 59, 17)
HSL	hsl(36, 67%, 20%)
HSV	hsv(36, 80%, 34%)
CMYK	cmyk(0%, 32.2%, 80.5%, 65.9%)
CIE-LAB	lab(27.28, 7.95, 29.65)
CIE-LCH	lch(27.28, 30.70, 75.00°)
OKLab	oklab(37.6% 0.0196 0.0657)
OKLCH	oklch(37.6% 0.069 73.4)
XYZ	xyz(5.5960, 5.1951, 1.2382)
Luminance	0.0520 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573B11 #112D57

analogous

#571811 #573B11 #505711

triadic

#573B11 #11573B #3B1157

tetradic

#573B11 #115718 #112D57 #571150

square

#573B11 #115718 #112D57 #571150

split-complementary

#573B11 #115057 #181157

monochromatic

#1A1105 #241807 #573B11 #8A5E1B #BD8025

Accessibility & contrast

On white

10.30

#573B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#573B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573B11

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573B11	#FFFFFF	#000000	##FFFFFF
##573B11	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C0B

Deuteranopia (green-blind)

#4C4312

Tritanopia (blue-blind)

#5F3432

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #573b11;
/* rgb */ color: rgb(87, 59, 17);
/* oklch */ color: oklch(37.6% 0.069 73.4);

Tailwind

colors: {
  custom: {
    50: '#8a7052',
    500: '#573b11',
    950: '#000000',
  },
}

SCSS

$custom: #573b11;
$custom-light: #8a7052;
$custom-dark: #000000;

JSON

{
  "hex": "#573b11",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 17
  },
  "hsl": {
    "h": 36,
    "s": 67.308,
    "l": 20.392
  },
  "oklch": {
    "l": 0.37605,
    "c": 0.0685,
    "h": 73.4
  },
  "luminance": 0.05195
}

Semantic roles & 50–950 ramp

primary

#573B11

secondary

#345990

accent

#83EA3E

background

#F8F6F4

surface

#F0ECE7

border

#CBC7C3

text

#0C0702

muted

#7D7A78

Preview Lab

Preview with #573B11

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

Preview Lab → · Contrast checker → · Palette generator →