#B66537#B66537

#B66537 is a mid, vivid orange. Relative luminance 0.195; OKLCH L 59.1% C 0.120 H 48.5°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#B66537
RGB	rgb(182, 101, 55)
HSL	hsl(22, 54%, 46%)
HSV	hsv(22, 70%, 71%)
CMYK	cmyk(0%, 44.5%, 69.8%, 28.6%)
CIE-LAB	lab(51.30, 28.70, 39.57)
CIE-LCH	lch(51.30, 48.88, 54.04°)
OKLab	oklab(59.09% 0.0798 0.0902)
OKLCH	oklch(59.09% 0.12 48.5)
XYZ	xyz(24.6368, 19.5310, 6.0861)
Luminance	0.1953 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B66537 #3788B6

analogous

#B63749 #B66537 #B6A537

triadic

#B66537 #37B665 #6537B6

tetradic

#B66537 #49B637 #3788B6 #A537B6

square

#B66537 #49B637 #3788B6 #A537B6

split-complementary

#B66537 #37B6A5 #3749B6

monochromatic

#58311B #874B29 #B66537 #CE855C #DCA98B

Accessibility & contrast

On white

4.28

#B66537 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#B66537 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B66537

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B66537	#FFFFFF	#000000	##000000
##B66537	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C6F32

Deuteranopia (green-blind)

#8F8136

Tritanopia (blue-blind)

#C7555B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #b66537;
/* rgb */ color: rgb(182, 101, 55);
/* oklch */ color: oklch(59.1% 0.120 48.5);

Tailwind

colors: {
  custom: {
    50: '#d19270',
    500: '#b66537',
    950: '#000000',
  },
}

SCSS

$custom: #b66537;
$custom-light: #d19270;
$custom-dark: #000000;

JSON

{
  "hex": "#b66537",
  "rgb": {
    "r": 182,
    "g": 101,
    "b": 55
  },
  "hsl": {
    "h": 21.732,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.59089,
    "c": 0.12042,
    "h": 48.5
  },
  "luminance": 0.19528
}

Semantic roles & 50–950 ramp

primary

#B66537

secondary

#82AEC6

accent

#A8DD4B

background

#FDF9F6

surface

#FBF1EC

border

#D4CBC7

text

#150D07

muted

#837E7A

Preview Lab

Preview with #B66537

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

Preview Lab → · Contrast checker → · Palette generator →