#B57531#B57531

#B57531 is a mid, moderate orange. Relative luminance 0.228; OKLCH L 61.8% C 0.115 H 64.1°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#B57531
RGB	rgb(181, 117, 49)
HSL	hsl(31, 57%, 45%)
HSV	hsv(31, 73%, 71%)
CMYK	cmyk(0%, 35.4%, 72.9%, 29%)
CIE-LAB	lab(54.84, 19.14, 46.31)
CIE-LCH	lch(54.84, 50.11, 67.54°)
OKLab	oklab(61.77% 0.0503 0.1035)
OKLCH	oklch(61.77% 0.115 64.1)
XYZ	xyz(25.9737, 22.7705, 5.9324)
Luminance	0.2277 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B57531 #3171B5

analogous

#B53331 #B57531 #B3B531

triadic

#B57531 #31B575 #7531B5

tetradic

#B57531 #31B533 #3171B5 #B531B3

square

#B57531 #31B533 #3171B5 #B531B3

split-complementary

#B57531 #31B3B5 #3331B5

monochromatic

#553717 #855624 #B57531 #D09453 #DDB283

Accessibility & contrast

On white

3.78

#B57531 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#B57531 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B57531

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B57531	#FFFFFF	#000000	##000000
##B57531	1.00	3.78	5.55	5.55
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897A29

Deuteranopia (green-blind)

#988932

Tritanopia (blue-blind)

#C56667

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #b57531;
/* rgb */ color: rgb(181, 117, 49);
/* oklch */ color: oklch(61.8% 0.115 64.1);

Tailwind

colors: {
  custom: {
    50: '#d09d6d',
    500: '#b57531',
    950: '#000000',
  },
}

SCSS

$custom: #b57531;
$custom-light: #d09d6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b57531",
  "rgb": {
    "r": 181,
    "g": 117,
    "b": 49
  },
  "hsl": {
    "h": 30.909,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.6177,
    "c": 0.11508,
    "h": 64.1
  },
  "luminance": 0.22768
}

Semantic roles & 50–950 ramp

primary

#B57531

secondary

#7BA0C7

accent

#92E147

background

#FDF9F6

surface

#FAF2EC

border

#D3CCC7

text

#150E07

muted

#837E7A

Preview Lab

Preview with #B57531

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

Preview Lab → · Contrast checker → · Palette generator →