#573B10#573B10

#573B10 is a dark, moderate orange. Relative luminance 0.052; OKLCH L 37.6% C 0.069 H 73.8°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#573B10
RGB	rgb(87, 59, 16)
HSL	hsl(36, 69%, 20%)
HSV	hsv(36, 82%, 34%)
CMYK	cmyk(0%, 32.2%, 81.6%, 65.9%)
CIE-LAB	lab(27.27, 7.90, 30.13)
CIE-LCH	lch(27.27, 31.15, 75.32°)
OKLab	oklab(37.6% 0.0193 0.0664)
OKLCH	oklch(37.6% 0.069 73.8)
XYZ	xyz(5.5884, 5.1920, 1.1980)
Luminance	0.0519 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573B10 #102C57

analogous

#571710 #573B10 #4F5710

triadic

#573B10 #10573B #3B1057

tetradic

#573B10 #105717 #102C57 #57104F

square

#573B10 #105717 #102C57 #57104F

split-complementary

#573B10 #104F57 #171057

monochromatic

#1A1205 #231806 #573B10 #8B5E1A #BE8123

Accessibility & contrast

On white

10.30

#573B10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#573B10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573B10

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573B10	#FFFFFF	#000000	##FFFFFF
##573B10	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)

#453C0A

Deuteranopia (green-blind)

#4C4311

Tritanopia (blue-blind)

#5F3432

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #573b10;
/* rgb */ color: rgb(87, 59, 16);
/* oklch */ color: oklch(37.6% 0.069 73.8);

Tailwind

colors: {
  custom: {
    50: '#8a7051',
    500: '#573b10',
    950: '#000000',
  },
}

SCSS

$custom: #573b10;
$custom-light: #8a7051;
$custom-dark: #000000;

JSON

{
  "hex": "#573b10",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 16
  },
  "hsl": {
    "h": 36.338,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.37596,
    "c": 0.06916,
    "h": 73.8
  },
  "luminance": 0.05192
}

Semantic roles & 50–950 ramp

primary

#573B10

secondary

#325790

accent

#81EC3C

background

#F8F6F4

surface

#F0ECE7

border

#CBC7C3

text

#0C0702

muted

#7D7A78

Preview Lab

Preview with #573B10

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

Preview Lab → · Contrast checker → · Palette generator →