#573F18#573F18

#573F18 is a dark, moderate orange. Relative luminance 0.056; OKLCH L 38.6% C 0.064 H 76.9°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#573F18
RGB	rgb(87, 63, 24)
HSL	hsl(37, 57%, 22%)
HSV	hsv(37, 72%, 34%)
CMYK	cmyk(0%, 27.6%, 72.4%, 65.9%)
CIE-LAB	lab(28.51, 5.84, 27.29)
CIE-LCH	lch(28.51, 27.91, 77.92°)
OKLab	oklab(38.58% 0.0145 0.0621)
OKLCH	oklch(38.58% 0.064 76.9)
XYZ	xyz(5.8732, 5.6476, 1.6447)
Luminance	0.0565 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573F18 #183057

analogous

#572018 #573F18 #505718

triadic

#573F18 #18573F #3F1857

tetradic

#573F18 #185720 #183057 #571850

square

#573F18 #185720 #183057 #571850

split-complementary

#573F18 #185057 #201857

monochromatic

#181107 #271C0B #573F18 #876225 #B78432

Accessibility & contrast

On white

9.86

#573F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#573F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573F18

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573F18	#FFFFFF	#000000	##FFFFFF
##573F18	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484014

Deuteranopia (green-blind)

#4E4619

Tritanopia (blue-blind)

#5F3837

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #573f18;
/* rgb */ color: rgb(87, 63, 24);
/* oklch */ color: oklch(38.6% 0.064 76.9);

Tailwind

colors: {
  custom: {
    50: '#897357',
    500: '#573f18',
    950: '#000000',
  },
}

SCSS

$custom: #573f18;
$custom-light: #897357;
$custom-dark: #000000;

JSON

{
  "hex": "#573f18",
  "rgb": {
    "r": 87,
    "g": 63,
    "b": 24
  },
  "hsl": {
    "h": 37.143,
    "s": 56.757,
    "l": 21.765
  },
  "oklch": {
    "l": 0.38582,
    "c": 0.0638,
    "h": 76.9
  },
  "luminance": 0.05647
}

Semantic roles & 50–950 ramp

primary

#573F18

secondary

#3D5C8E

accent

#82E048

background

#F8F7F5

surface

#F0EDE9

border

#CBC8C5

text

#0C0803

muted

#7D7B78

Preview Lab

Preview with #573F18

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

Preview Lab → · Contrast checker → · Palette generator →