#573B1D#573B1D

#573B1D is a dark, muted orange. Relative luminance 0.052; OKLCH L 37.8% C 0.059 H 66.2°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#573B1D
RGB	rgb(87, 59, 29)
HSL	hsl(31, 50%, 23%)
HSV	hsv(31, 67%, 34%)
CMYK	cmyk(0%, 32.2%, 66.7%, 65.9%)
CIE-LAB	lab(27.42, 8.76, 23.23)
CIE-LCH	lch(27.42, 24.82, 69.34°)
OKLab	oklab(37.75% 0.0239 0.0542)
OKLCH	oklch(37.75% 0.059 66.2)
XYZ	xyz(5.7166, 5.2433, 1.8731)
Luminance	0.0524 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573B1D #1D3957

analogous

#571E1D #573B1D #56571D

triadic

#573B1D #1D573B #3B1D57

tetradic

#573B1D #1D571E #1D3957 #571D56

square

#573B1D #1D571E #1D3957 #571D56

split-complementary

#573B1D #1D5657 #1E1D57

monochromatic

#171008 #291C0E #573B1D #855A2C #B3793C

Accessibility & contrast

On white

10.25

#573B1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#573B1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573B1D

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573B1D	#FFFFFF	#000000	##FFFFFF
##573B1D	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443D1A

Deuteranopia (green-blind)

#4B431E

Tritanopia (blue-blind)

#5F3534

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #573b1d;
/* rgb */ color: rgb(87, 59, 29);
/* oklch */ color: oklch(37.8% 0.059 66.2);

Tailwind

colors: {
  custom: {
    50: '#89705a',
    500: '#573b1d',
    950: '#000000',
  },
}

SCSS

$custom: #573b1d;
$custom-light: #89705a;
$custom-dark: #000000;

JSON

{
  "hex": "#573b1d",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 29
  },
  "hsl": {
    "h": 31.034,
    "s": 50,
    "l": 22.745
  },
  "oklch": {
    "l": 0.37752,
    "c": 0.05925,
    "h": 66.2
  },
  "luminance": 0.05243
}

Semantic roles & 50–950 ramp

primary

#573B1D

secondary

#44678C

accent

#92DA4E

background

#F8F6F5

surface

#F0ECE9

border

#CBC7C5

text

#0C0704

muted

#7D7A79

Preview Lab

Preview with #573B1D

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

Preview Lab → · Contrast checker → · Palette generator →