#573F2B#573F2B

#573F2B is a dark, muted orange. Relative luminance 0.058; OKLCH L 38.9% C 0.046 H 60.7°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#573F2B
RGB	rgb(87, 63, 43)
HSL	hsl(27, 34%, 25%)
HSV	hsv(27, 51%, 34%)
CMYK	cmyk(0%, 27.6%, 50.6%, 65.9%)
CIE-LAB	lab(28.79, 7.62, 16.33)
CIE-LCH	lch(28.79, 18.02, 65.00°)
OKLab	oklab(38.9% 0.0225 0.0401)
OKLCH	oklch(38.9% 0.046 60.7)
XYZ	xyz(6.1443, 5.7561, 3.0724)
Luminance	0.0576 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573F2B #2B4357

analogous

#572B2D #573F2B #57552B

triadic

#573F2B #2B573F #3F2B57

tetradic

#573F2B #2D572B #2B4357 #552B57

square

#573F2B #2D572B #2B4357 #552B57

split-complementary

#573F2B #2B5755 #2B2D57

monochromatic

#140F0A #2E2117 #573F2B #805D3F #A97A53

Accessibility & contrast

On white

9.76

#573F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#573F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573F2B

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573F2B	#FFFFFF	#000000	##FFFFFF
##573F2B	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464129

Deuteranopia (green-blind)

#4C462B

Tritanopia (blue-blind)

#5E3A3A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #573f2b;
/* rgb */ color: rgb(87, 63, 43);
/* oklch */ color: oklch(38.9% 0.046 60.7);

Tailwind

colors: {
  custom: {
    50: '#887464',
    500: '#573f2b',
    950: '#000000',
  },
}

SCSS

$custom: #573f2b;
$custom-light: #887464;
$custom-dark: #000000;

JSON

{
  "hex": "#573f2b",
  "rgb": {
    "r": 87,
    "g": 63,
    "b": 43
  },
  "hsl": {
    "h": 27.273,
    "s": 33.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.38895,
    "c": 0.04601,
    "h": 60.7
  },
  "luminance": 0.05756
}

Semantic roles & 50–950 ramp

primary

#573F2B

secondary

#557189

accent

#99CA5E

background

#F8F7F6

surface

#F0EDEB

border

#CBC8C6

text

#0B0805

muted

#7C7B7A

Preview Lab

Preview with #573F2B

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

Preview Lab → · Contrast checker → · Palette generator →