#B73A32#B73A32

#B73A32 is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.0% C 0.163 H 27.7°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B73A32
RGB	rgb(183, 58, 50)
HSL	hsl(4, 57%, 46%)
HSV	hsv(4, 73%, 72%)
CMYK	cmyk(0%, 68.3%, 72.7%, 28.2%)
CIE-LAB	lab(43.25, 49.82, 33.26)
CIE-LCH	lch(43.25, 59.90, 33.73°)
OKLab	oklab(52.99% 0.1439 0.0755)
OKLCH	oklch(52.99% 0.163 27.7)
XYZ	xyz(21.6196, 13.3269, 4.4509)
Luminance	0.1332 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73A32 #32AFB7

analogous

#B7326C #B73A32 #B77C32

triadic

#B73A32 #32B73A #3A32B7

tetradic

#B73A32 #6CB732 #32AFB7 #7C32B7

square

#B73A32 #6CB732 #32AFB7 #7C32B7

split-complementary

#B73A32 #32B77C #326CB7

monochromatic

#571C18 #872B25 #B73A32 #D15D56 #DE8B86

Accessibility & contrast

On white

5.73

#B73A32 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B73A32 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73A32

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73A32	#FFFFFF	#000000	##FFFFFF
##B73A32	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5530

Deuteranopia (green-blind)

#7C702E

Tritanopia (blue-blind)

#C91439

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b73a32;
/* rgb */ color: rgb(183, 58, 50);
/* oklch */ color: oklch(53.0% 0.163 27.7);

Tailwind

colors: {
  custom: {
    50: '#d5776a',
    500: '#b73a32',
    950: '#000000',
  },
}

SCSS

$custom: #b73a32;
$custom-light: #d5776a;
$custom-dark: #000000;

JSON

{
  "hex": "#b73a32",
  "rgb": {
    "r": 183,
    "g": 58,
    "b": 50
  },
  "hsl": {
    "h": 3.609,
    "s": 57.082,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52991,
    "c": 0.16253,
    "h": 27.7
  },
  "luminance": 0.13324
}

Semantic roles & 50–950 ramp

primary

#B73A32

secondary

#7DC3C7

accent

#D7E047

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73A32

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

Preview Lab → · Contrast checker → · Palette generator →