#B73D33#B73D33

#B73D33 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.159 H 28.3°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#B73D33
RGB	rgb(183, 61, 51)
HSL	hsl(5, 56%, 46%)
HSV	hsv(5, 72%, 72%)
CMYK	cmyk(0%, 66.7%, 72.1%, 28.2%)
CIE-LAB	lab(43.72, 48.63, 33.22)
CIE-LCH	lch(43.72, 58.89, 34.34°)
OKLab	oklab(53.35% 0.1404 0.0756)
OKLCH	oklch(53.35% 0.159 28.3)
XYZ	xyz(21.7971, 13.6469, 4.6177)
Luminance	0.1364 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73D33 #33ADB7

analogous

#B7336B #B73D33 #B77F33

triadic

#B73D33 #33B73D #3D33B7

tetradic

#B73D33 #6BB733 #33ADB7 #7F33B7

square

#B73D33 #6BB733 #33ADB7 #7F33B7

split-complementary

#B73D33 #33B77F #336BB7

monochromatic

#571D18 #872D26 #B73D33 #D06057 #DE8D87

Accessibility & contrast

On white

5.63

#B73D33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B73D33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73D33

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73D33	#FFFFFF	#000000	##FFFFFF
##B73D33	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)

#5F5731

Deuteranopia (green-blind)

#7D712F

Tritanopia (blue-blind)

#C91B3C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73d33;
/* rgb */ color: rgb(183, 61, 51);
/* oklch */ color: oklch(53.3% 0.159 28.3);

Tailwind

colors: {
  custom: {
    50: '#d4796b',
    500: '#b73d33',
    950: '#000000',
  },
}

SCSS

$custom: #b73d33;
$custom-light: #d4796b;
$custom-dark: #000000;

JSON

{
  "hex": "#b73d33",
  "rgb": {
    "r": 183,
    "g": 61,
    "b": 51
  },
  "hsl": {
    "h": 4.545,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.53348,
    "c": 0.15947,
    "h": 28.3
  },
  "luminance": 0.13644
}

Semantic roles & 50–950 ramp

primary

#B73D33

secondary

#7FC2C7

accent

#D4E048

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73D33

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

Preview Lab → · Contrast checker → · Palette generator →