#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
RGBrgb(87, 51, 17)
HSLhsl(29, 67%, 20%)
HSVhsv(29, 80%, 34%)
CMYKcmyk(0%, 41.4%, 80.5%, 65.9%)
CIE-LABlab(25.06, 13.02, 27.41)
CIE-LCHlch(25.06, 30.34, 64.58°)
OKLaboklab(35.88% 0.0345 0.0609)
OKLCHoklch(35.88% 0.07 60.4)
XYZxyz(5.2159, 4.4349, 1.1115)
Luminance0.0443 (WCAG relative)
Temperaturewarm
Familyorange

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
##5733111.0011.131.8911.13
#FFFFFF11.131.0021.001.00
#0000001.8921.001.0021.00
##FFFFFF11.131.0021.001.00

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 →

#573311 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva