#B57539#B57539

#B57539 is a mid, moderate orange. Relative luminance 0.228; OKLCH L 61.9% C 0.110 H 61.4°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#B57539
RGB	rgb(181, 117, 57)
HSL	hsl(29, 52%, 47%)
HSV	hsv(29, 69%, 71%)
CMYK	cmyk(0%, 35.4%, 68.5%, 29%)
CIE-LAB	lab(54.91, 19.58, 42.52)
CIE-LCH	lch(54.91, 46.81, 65.28°)
OKLab	oklab(61.85% 0.0528 0.0969)
OKLCH	oklch(61.85% 0.11 61.4)
XYZ	xyz(26.1578, 22.8442, 6.9019)
Luminance	0.2284 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B57539 #3979B5

analogous

#B5393B #B57539 #B5B339

triadic

#B57539 #39B575 #7539B5

tetradic

#B57539 #3BB539 #3979B5 #B339B5

square

#B57539 #3BB539 #3979B5 #B339B5

split-complementary

#B57539 #39B5B3 #393BB5

monochromatic

#58391C #86572A #B57539 #CD945F #DBB38D

Accessibility & contrast

On white

3.77

#B57539 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#B57539 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B57539

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B57539	#FFFFFF	#000000	##000000
##B57539	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897B33

Deuteranopia (green-blind)

#98893A

Tritanopia (blue-blind)

#C56768

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #b57539;
/* rgb */ color: rgb(181, 117, 57);
/* oklch */ color: oklch(61.9% 0.110 61.4);

Tailwind

colors: {
  custom: {
    50: '#d09d72',
    500: '#b57539',
    950: '#000000',
  },
}

SCSS

$custom: #b57539;
$custom-light: #d09d72;
$custom-dark: #000000;

JSON

{
  "hex": "#b57539",
  "rgb": {
    "r": 181,
    "g": 117,
    "b": 57
  },
  "hsl": {
    "h": 29.032,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.61854,
    "c": 0.11036,
    "h": 61.4
  },
  "luminance": 0.22842
}

Semantic roles & 50–950 ramp

primary

#B57539

secondary

#84A6C6

accent

#96DC4C

background

#FDF9F7

surface

#FAF2ED

border

#D3CCC8

text

#150E08

muted

#837E7B

Preview Lab

Preview with #B57539

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

Preview Lab → · Contrast checker → · Palette generator →