#573311#573311

#573311 is a dark, moderate orange. Relative luminance 0.044; OKLCH L 35.9% C 0.070 H 60.4°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#573311
RGB	rgb(87, 51, 17)
HSL	hsl(29, 67%, 20%)
HSV	hsv(29, 80%, 34%)
CMYK	cmyk(0%, 41.4%, 80.5%, 65.9%)
CIE-LAB	lab(25.06, 13.02, 27.41)
CIE-LCH	lch(25.06, 30.34, 64.58°)
OKLab	oklab(35.88% 0.0345 0.0609)
OKLCH	oklch(35.88% 0.07 60.4)
XYZ	xyz(5.2159, 4.4349, 1.1115)
Luminance	0.0443 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573311 #113557

analogous

#571112 #573311 #575611

triadic

#573311 #115733 #331157

tetradic

#573311 #125711 #113557 #561157

square

#573311 #125711 #113557 #561157

split-complementary

#573311 #115756 #111257

monochromatic

#1A0F05 #241507 #573311 #8A511B #BD6F25

Accessibility & contrast

On white

11.13

#573311 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#573311 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573311

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573311	#FFFFFF	#000000	##FFFFFF
##573311	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E360D

Deuteranopia (green-blind)

#473F11

Tritanopia (blue-blind)

#602B2C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #573311;
/* rgb */ color: rgb(87, 51, 17);
/* oklch */ color: oklch(35.9% 0.070 60.4);

Tailwind

colors: {
  custom: {
    50: '#8a6a51',
    500: '#573311',
    950: '#000000',
  },
}

SCSS

$custom: #573311;
$custom-light: #8a6a51;
$custom-dark: #000000;

JSON

{
  "hex": "#573311",
  "rgb": {
    "r": 87,
    "g": 51,
    "b": 17
  },
  "hsl": {
    "h": 29.143,
    "s": 67.308,
    "l": 20.392
  },
  "oklch": {
    "l": 0.35877,
    "c": 0.06998,
    "h": 60.4
  },
  "luminance": 0.04434
}

Semantic roles & 50–950 ramp

primary

#573311

secondary

#346390

accent

#96EA3E

background

#F8F6F4

surface

#F0EBE7

border

#CBC6C3

text

#0C0602

muted

#7D7A78

Preview Lab

Preview with #573311

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

Preview Lab → · Contrast checker → · Palette generator →