#573E1B#573E1B

#573E1B is a dark, moderate orange. Relative luminance 0.056; OKLCH L 38.4% C 0.061 H 73.4°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX#573E1B
RGBrgb(87, 62, 27)
HSLhsl(35, 53%, 22%)
HSVhsv(35, 69%, 34%)
CMYKcmyk(0%, 28.7%, 69%, 65.9%)
CIE-LABlab(28.25, 6.69, 25.35)
CIE-LCHlch(28.25, 26.21, 75.21°)
OKLaboklab(38.39% 0.0175 0.0585)
OKLCHoklch(38.39% 0.061 73.4)
XYZxyz(5.8513, 5.5511, 1.8000)
Luminance0.0555 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#573E1B #1B3457
analogous
#57201B #573E1B #52571B
triadic
#573E1B #1B573E #3E1B57
tetradic
#573E1B #1B5720 #1B3457 #571B52
square
#573E1B #1B5720 #1B3457 #571B52
split-complementary
#573E1B #1B5257 #201B57
monochromatic
#171107 #281D0D #573E1B #865F29 #B48138

Accessibility & contrast

On white

9.95
#573E1B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.11
#573E1B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573E1B
9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##573E1B#FFFFFF#000000##FFFFFF
##573E1B1.009.952.119.95
#FFFFFF9.951.0021.001.00
#0000002.1121.001.0021.00
##FFFFFF9.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#473F17
Deuteranopia (green-blind)
#4D451C
Tritanopia (blue-blind)
#5F3836
Achromatopsia (no color)
#434343

Design tokens & code

CSS
--color: #573e1b;
/* rgb */ color: rgb(87, 62, 27);
/* oklch */ color: oklch(38.4% 0.061 73.4);
Tailwind
colors: {
  custom: {
    50: '#897359',
    500: '#573e1b',
    950: '#000000',
  },
}
SCSS
$custom: #573e1b;
$custom-light: #897359;
$custom-dark: #000000;
JSON
{
  "hex": "#573e1b",
  "rgb": {
    "r": 87,
    "g": 62,
    "b": 27
  },
  "hsl": {
    "h": 35,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.38394,
    "c": 0.06104,
    "h": 73.4
  },
  "luminance": 0.05551
}

Semantic roles & 50–950 ramp

primary
#573E1B
secondary
#41618D
accent
#88DC4C
background
#F8F6F5
surface
#F0ECE9
border
#CBC7C5
text
#0C0803
muted
#7D7B78

Preview Lab

Preview with #573E1B

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

Preview Lab → · Contrast checker → · Palette generator →

#573E1B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva