#B73D32#B73D32

#B73D32 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.160 H 28.7°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#B73D32
RGB	rgb(183, 61, 50)
HSL	hsl(5, 57%, 46%)
HSV	hsv(5, 73%, 72%)
CMYK	cmyk(0%, 66.7%, 72.7%, 28.2%)
CIE-LAB	lab(43.71, 48.58, 33.78)
CIE-LCH	lch(43.71, 59.17, 34.82°)
OKLab	oklab(53.33% 0.14 0.0767)
OKLCH	oklch(53.33% 0.16 28.7)
XYZ	xyz(21.7753, 13.6382, 4.5028)
Luminance	0.1363 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73D32 #32ACB7

analogous

#B7326A #B73D32 #B77F32

triadic

#B73D32 #32B73D #3D32B7

tetradic

#B73D32 #6AB732 #32ACB7 #7F32B7

square

#B73D32 #6AB732 #32ACB7 #7F32B7

split-complementary

#B73D32 #32B77F #326AB7

monochromatic

#571D18 #872D25 #B73D32 #D16056 #DE8D86

Accessibility & contrast

On white

5.63

#B73D32 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B73D32 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73D32

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73D32	#FFFFFF	#000000	##FFFFFF
##B73D32	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5630

Deuteranopia (green-blind)

#7D712E

Tritanopia (blue-blind)

#C91B3B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73d32;
/* rgb */ color: rgb(183, 61, 50);
/* oklch */ color: oklch(53.3% 0.160 28.7);

Tailwind

colors: {
  custom: {
    50: '#d4796a',
    500: '#b73d32',
    950: '#000000',
  },
}

SCSS

$custom: #b73d32;
$custom-light: #d4796a;
$custom-dark: #000000;

JSON

{
  "hex": "#b73d32",
  "rgb": {
    "r": 183,
    "g": 61,
    "b": 50
  },
  "hsl": {
    "h": 4.962,
    "s": 57.082,
    "l": 45.686
  },
  "oklch": {
    "l": 0.53334,
    "c": 0.15964,
    "h": 28.7
  },
  "luminance": 0.13635
}

Semantic roles & 50–950 ramp

primary

#B73D32

secondary

#7DC1C7

accent

#D4E047

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73D32

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

Preview Lab → · Contrast checker → · Palette generator →