#B57F37#B57F37

#B57F37 is a light, moderate orange. Relative luminance 0.253; OKLCH L 63.7% C 0.110 H 71.1°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX#B57F37
RGBrgb(181, 127, 55)
HSLhsl(34, 53%, 46%)
HSVhsv(34, 70%, 71%)
CMYKcmyk(0%, 29.8%, 69.6%, 29%)
CIE-LABlab(57.35, 13.89, 46.14)
CIE-LCHlch(57.35, 48.18, 73.24°)
OKLaboklab(63.74% 0.0357 0.1043)
OKLCHoklch(63.74% 0.11 71.1)
XYZxyz(27.3369, 25.2806, 7.0536)
Luminance0.2528 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B57F37 #376DB5
analogous
#B54037 #B57F37 #ACB537
triadic
#B57F37 #37B57F #7F37B5
tetradic
#B57F37 #37B540 #376DB5 #B537AC
square
#B57F37 #37B540 #376DB5 #B537AC
split-complementary
#B57F37 #37ACB5 #4037B5
monochromatic
#573D1A #865E29 #B57F37 #CD9D5C #DCB98B

Accessibility & contrast

On white

3.47
#B57F37 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.06
#B57F37 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B57F37
6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B57F37#FFFFFF#000000##000000
##B57F371.003.476.066.06
#FFFFFF3.471.0021.0021.00
#0000006.0621.001.001.00
##0000006.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#92822F
Deuteranopia (green-blind)
#9E8F39
Tritanopia (blue-blind)
#C57270
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #b57f37;
/* rgb */ color: rgb(181, 127, 55);
/* oklch */ color: oklch(63.7% 0.110 71.1);
Tailwind
colors: {
  custom: {
    50: '#cfa471',
    500: '#b57f37',
    950: '#000000',
  },
}
SCSS
$custom: #b57f37;
$custom-light: #cfa471;
$custom-dark: #000000;
JSON
{
  "hex": "#b57f37",
  "rgb": {
    "r": 181,
    "g": 127,
    "b": 55
  },
  "hsl": {
    "h": 34.286,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.63742,
    "c": 0.11022,
    "h": 71.1
  },
  "luminance": 0.25278
}

Semantic roles & 50–950 ramp

primary
#B57F37
secondary
#829FC6
accent
#89DD4B
background
#FDFAF7
surface
#FAF4ED
border
#D3CEC8
text
#150F08
muted
#837F7B

Preview Lab

Preview with #B57F37

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

Preview Lab → · Contrast checker → · Palette generator →

#B57F37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva