#573B0E#573B0E

#573B0E is a dark, moderate orange. Relative luminance 0.052; OKLCH L 37.6% C 0.070 H 74.6°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#573B0E
RGB	rgb(87, 59, 14)
HSL	hsl(37, 72%, 20%)
HSV	hsv(37, 84%, 34%)
CMYK	cmyk(0%, 32.2%, 83.9%, 65.9%)
CIE-LAB	lab(27.26, 7.80, 31.05)
CIE-LCH	lch(27.26, 32.02, 75.90°)
OKLab	oklab(37.58% 0.0187 0.0679)
OKLCH	oklch(37.58% 0.07 74.6)
XYZ	xyz(5.5741, 5.1863, 1.1229)
Luminance	0.0519 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573B0E #0E2A57

analogous

#57160E #573B0E #4F570E

triadic

#573B0E #0E573B #3B0E57

tetradic

#573B0E #0E5716 #0E2A57 #570E4F

square

#573B0E #0E5716 #0E2A57 #570E4F

split-complementary

#573B0E #0E4F57 #160E57

monochromatic

#1A1204 #221706 #573B0E #8C5F16 #C0831F

Accessibility & contrast

On white

10.31

#573B0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#573B0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573B0E

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573B0E	#FFFFFF	#000000	##FFFFFF
##573B0E	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)

#453C07

Deuteranopia (green-blind)

#4C4310

Tritanopia (blue-blind)

#5F3432

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #573b0e;
/* rgb */ color: rgb(87, 59, 14);
/* oklch */ color: oklch(37.6% 0.070 74.6);

Tailwind

colors: {
  custom: {
    50: '#8a7050',
    500: '#573b0e',
    950: '#000000',
  },
}

SCSS

$custom: #573b0e;
$custom-light: #8a7050;
$custom-dark: #000000;

JSON

{
  "hex": "#573b0e",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 14
  },
  "hsl": {
    "h": 36.986,
    "s": 72.277,
    "l": 19.804
  },
  "oklch": {
    "l": 0.37578,
    "c": 0.07041,
    "h": 74.6
  },
  "luminance": 0.05186
}

Semantic roles & 50–950 ramp

primary

#573B0E

secondary

#305591

accent

#7FEF39

background

#F8F6F4

surface

#F0ECE7

border

#CBC7C3

text

#0C0702

muted

#7D7A78

Preview Lab

Preview with #573B0E

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

Preview Lab → · Contrast checker → · Palette generator →