#B73334#B73334

#B73334 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.169 H 24.8°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B73334
RGB	rgb(183, 51, 52)
HSL	hsl(360, 56%, 46%)
HSV	hsv(360, 72%, 72%)
CMYK	cmyk(0%, 72.1%, 71.6%, 28.2%)
CIE-LAB	lab(42.29, 52.63, 30.97)
CIE-LCH	lch(42.29, 61.07, 30.47°)
OKLab	oklab(52.28% 0.1532 0.0709)
OKLCH	oklch(52.28% 0.169 24.8)
XYZ	xyz(21.3345, 12.6861, 4.5734)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73334 #33B7B6

analogous

#B73376 #B73334 #B77433

triadic

#B73334 #34B733 #3334B7

tetradic

#B73334 #76B733 #33B7B6 #7433B7

square

#B73334 #76B733 #33B7B6 #7433B7

split-complementary

#B73334 #33B774 #3376B7

monochromatic

#571819 #872626 #B73334 #D05758 #DE8788

Accessibility & contrast

On white

5.94

#B73334 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B73334 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73334

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73334	#FFFFFF	#000000	##FFFFFF
##B73334	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595233

Deuteranopia (green-blind)

#7A6E30

Tritanopia (blue-blind)

#C90035

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b73334;
/* rgb */ color: rgb(183, 51, 52);
/* oklch */ color: oklch(52.3% 0.169 24.8);

Tailwind

colors: {
  custom: {
    50: '#d5746b',
    500: '#b73334',
    950: '#000000',
  },
}

SCSS

$custom: #b73334;
$custom-light: #d5746b;
$custom-dark: #000000;

JSON

{
  "hex": "#b73334",
  "rgb": {
    "r": 183,
    "g": 51,
    "b": 52
  },
  "hsl": {
    "h": 359.545,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52278,
    "c": 0.16884,
    "h": 24.8
  },
  "luminance": 0.12683
}

Semantic roles & 50–950 ramp

primary

#B73334

secondary

#7FC7C7

accent

#E0DF48

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73334

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

Preview Lab → · Contrast checker → · Palette generator →