#573B0F#573B0F

#573B0F is a dark, moderate orange. Relative luminance 0.052; OKLCH L 37.6% C 0.070 H 74.2°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#573B0F
RGB	rgb(87, 59, 15)
HSL	hsl(37, 71%, 20%)
HSV	hsv(37, 83%, 34%)
CMYK	cmyk(0%, 32.2%, 82.8%, 65.9%)
CIE-LAB	lab(27.27, 7.85, 30.60)
CIE-LCH	lch(27.27, 31.59, 75.62°)
OKLab	oklab(37.59% 0.019 0.0672)
OKLCH	oklch(37.59% 0.07 74.2)
XYZ	xyz(5.5811, 5.1891, 1.1595)
Luminance	0.0519 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573B0F #0F2B57

analogous

#57170F #573B0F #4F570F

triadic

#573B0F #0F573B #3B0F57

tetradic

#573B0F #0F5717 #0F2B57 #570F4F

square

#573B0F #0F5717 #0F2B57 #570F4F

split-complementary

#573B0F #0F4F57 #170F57

monochromatic

#1A1205 #231806 #573B0F #8B5E18 #BF8221

Accessibility & contrast

On white

10.31

#573B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#573B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573B0F

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573B0F	#FFFFFF	#000000	##FFFFFF
##573B0F	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C08

Deuteranopia (green-blind)

#4C4310

Tritanopia (blue-blind)

#5F3432

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #573b0f;
/* rgb */ color: rgb(87, 59, 15);
/* oklch */ color: oklch(37.6% 0.070 74.2);

Tailwind

colors: {
  custom: {
    50: '#8a7051',
    500: '#573b0f',
    950: '#000000',
  },
}

SCSS

$custom: #573b0f;
$custom-light: #8a7051;
$custom-dark: #000000;

JSON

{
  "hex": "#573b0f",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 15
  },
  "hsl": {
    "h": 36.667,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.37587,
    "c": 0.06979,
    "h": 74.2
  },
  "luminance": 0.05189
}

Semantic roles & 50–950 ramp

primary

#573B0F

secondary

#315691

accent

#80ED3A

background

#F8F6F4

surface

#F0ECE7

border

#CBC7C3

text

#0C0702

muted

#7D7A78

Preview Lab

Preview with #573B0F

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

Preview Lab → · Contrast checker → · Palette generator →