#B73B32#B73B32

#B73B32 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.162 H 28.0°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B73B32
RGB	rgb(183, 59, 50)
HSL	hsl(4, 57%, 46%)
HSV	hsv(4, 73%, 72%)
CMYK	cmyk(0%, 67.8%, 72.7%, 28.2%)
CIE-LAB	lab(43.40, 49.41, 33.43)
CIE-LCH	lch(43.40, 59.66, 34.08°)
OKLab	oklab(53.1% 0.1427 0.0759)
OKLCH	oklch(53.1% 0.162 28)
XYZ	xyz(21.6705, 13.4287, 4.4679)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73B32 #32AEB7

analogous

#B7326B #B73B32 #B77D32

triadic

#B73B32 #32B73B #3B32B7

tetradic

#B73B32 #6BB732 #32AEB7 #7D32B7

square

#B73B32 #6BB732 #32AEB7 #7D32B7

split-complementary

#B73B32 #32B77D #326BB7

monochromatic

#571C18 #872C25 #B73B32 #D15E56 #DE8C86

Accessibility & contrast

On white

5.70

#B73B32 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B73B32 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73B32

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73B32	#FFFFFF	#000000	##FFFFFF
##B73B32	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5530

Deuteranopia (green-blind)

#7D702E

Tritanopia (blue-blind)

#C9163A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73b32;
/* rgb */ color: rgb(183, 59, 50);
/* oklch */ color: oklch(53.1% 0.162 28.0);

Tailwind

colors: {
  custom: {
    50: '#d4786a',
    500: '#b73b32',
    950: '#000000',
  },
}

SCSS

$custom: #b73b32;
$custom-light: #d4786a;
$custom-dark: #000000;

JSON

{
  "hex": "#b73b32",
  "rgb": {
    "r": 183,
    "g": 59,
    "b": 50
  },
  "hsl": {
    "h": 4.06,
    "s": 57.082,
    "l": 45.686
  },
  "oklch": {
    "l": 0.53104,
    "c": 0.16158,
    "h": 28
  },
  "luminance": 0.13425
}

Semantic roles & 50–950 ramp

primary

#B73B32

secondary

#7DC2C7

accent

#D6E047

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73B32

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

Preview Lab → · Contrast checker → · Palette generator →