#B66437#B66437

#B66437 is a mid, vivid orange. Relative luminance 0.193; OKLCH L 58.9% C 0.121 H 47.7°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#B66437
RGB	rgb(182, 100, 55)
HSL	hsl(21, 54%, 46%)
HSV	hsv(21, 70%, 71%)
CMYK	cmyk(0%, 45.1%, 69.8%, 28.6%)
CIE-LAB	lab(51.08, 29.24, 39.32)
CIE-LCH	lch(51.08, 49.00, 53.36°)
OKLab	oklab(58.92% 0.0815 0.0896)
OKLCH	oklch(58.92% 0.121 47.7)
XYZ	xyz(24.5403, 19.3380, 6.0539)
Luminance	0.1933 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B66437 #3789B6

analogous

#B6374A #B66437 #B6A437

triadic

#B66437 #37B664 #6437B6

tetradic

#B66437 #4AB637 #3789B6 #A437B6

square

#B66437 #4AB637 #3789B6 #A437B6

split-complementary

#B66437 #37B6A4 #374AB6

monochromatic

#58301B #874A29 #B66437 #CE855C #DCA88B

Accessibility & contrast

On white

4.31

#B66437 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#B66437 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B66437

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B66437	#FFFFFF	#000000	##000000
##B66437	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B6F32

Deuteranopia (green-blind)

#8F8136

Tritanopia (blue-blind)

#C7545A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #b66437;
/* rgb */ color: rgb(182, 100, 55);
/* oklch */ color: oklch(58.9% 0.121 47.7);

Tailwind

colors: {
  custom: {
    50: '#d19170',
    500: '#b66437',
    950: '#000000',
  },
}

SCSS

$custom: #b66437;
$custom-light: #d19170;
$custom-dark: #000000;

JSON

{
  "hex": "#b66437",
  "rgb": {
    "r": 182,
    "g": 100,
    "b": 55
  },
  "hsl": {
    "h": 21.26,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.58919,
    "c": 0.12112,
    "h": 47.7
  },
  "luminance": 0.19335
}

Semantic roles & 50–950 ramp

primary

#B66437

secondary

#82AEC6

accent

#A9DD4B

background

#FDF8F6

surface

#FBF0EC

border

#D4CBC7

text

#150D07

muted

#837D7A

Preview Lab

Preview with #B66437

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

Preview Lab → · Contrast checker → · Palette generator →