#573F10#573F10

#573F10 is a dark, moderate orange. Relative luminance 0.056; OKLCH L 38.5% C 0.070 H 80.2°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#573F10
RGB	rgb(87, 63, 16)
HSL	hsl(40, 69%, 20%)
HSV	hsv(40, 82%, 34%)
CMYK	cmyk(0%, 27.6%, 81.6%, 65.9%)
CIE-LAB	lab(28.43, 5.36, 31.26)
CIE-LCH	lch(28.43, 31.71, 80.27°)
OKLab	oklab(38.5% 0.0119 0.0688)
OKLCH	oklch(38.5% 0.07 80.2)
XYZ	xyz(5.8019, 5.6191, 1.2691)
Luminance	0.0562 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573F10 #102857

analogous

#571B10 #573F10 #4C5710

triadic

#573F10 #10573F #3F1057

tetradic

#573F10 #10571B #102857 #57104C

square

#573F10 #10571B #102857 #57104C

split-complementary

#573F10 #104C57 #1B1057

monochromatic

#1A1305 #231A06 #573F10 #8B641A #BE8A23

Accessibility & contrast

On white

9.89

#573F10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#573F10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573F10

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573F10	#FFFFFF	#000000	##FFFFFF
##573F10	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494009

Deuteranopia (green-blind)

#4E4512

Tritanopia (blue-blind)

#5F3836

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #573f10;
/* rgb */ color: rgb(87, 63, 16);
/* oklch */ color: oklch(38.5% 0.070 80.2);

Tailwind

colors: {
  custom: {
    50: '#8a7352',
    500: '#573f10',
    950: '#000000',
  },
}

SCSS

$custom: #573f10;
$custom-light: #8a7352;
$custom-dark: #000000;

JSON

{
  "hex": "#573f10",
  "rgb": {
    "r": 87,
    "g": 63,
    "b": 16
  },
  "hsl": {
    "h": 39.718,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.38499,
    "c": 0.06984,
    "h": 80.2
  },
  "luminance": 0.05619
}

Semantic roles & 50–950 ramp

primary

#573F10

secondary

#325290

accent

#77EC3C

background

#F8F7F4

surface

#F0EDE7

border

#CBC8C3

text

#0C0802

muted

#7D7B78

Preview Lab

Preview with #573F10

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

Preview Lab → · Contrast checker → · Palette generator →