#B73447#B73447

#B73447 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.167 H 17.0°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B73447
RGB	rgb(183, 52, 71)
HSL	hsl(351, 56%, 46%)
HSV	hsv(351, 72%, 72%)
CMYK	cmyk(0%, 71.6%, 61.2%, 28.2%)
CIE-LAB	lab(42.74, 53.34, 19.97)
CIE-LCH	lch(42.74, 56.96, 20.53°)
OKLab	oklab(52.71% 0.1594 0.0486)
OKLCH	oklch(52.71% 0.167 17)
XYZ	xyz(21.8960, 12.9813, 7.3127)
Luminance	0.1298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73447 #34B7A4

analogous

#B73488 #B73447 #B76234

triadic

#B73447 #47B734 #3447B7

tetradic

#B73447 #88B734 #34B7A4 #6234B7

square

#B73447 #88B734 #34B7A4 #6234B7

split-complementary

#B73447 #34B762 #3488B7

monochromatic

#581922 #872635 #B73447 #D0596A #DD8895

Accessibility & contrast

On white

5.84

#B73447 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B73447 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73447

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73447	#FFFFFF	#000000	##FFFFFF
##B73447	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575347

Deuteranopia (green-blind)

#786F43

Tritanopia (blue-blind)

#C80D3C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b73447;
/* rgb */ color: rgb(183, 52, 71);
/* oklch */ color: oklch(52.7% 0.167 17.0);

Tailwind

colors: {
  custom: {
    50: '#d3757a',
    500: '#b73447',
    950: '#000000',
  },
}

SCSS

$custom: #b73447;
$custom-light: #d3757a;
$custom-dark: #000000;

JSON

{
  "hex": "#b73447",
  "rgb": {
    "r": 183,
    "g": 52,
    "b": 71
  },
  "hsl": {
    "h": 351.298,
    "s": 55.745,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52714,
    "c": 0.16663,
    "h": 17
  },
  "luminance": 0.12978
}

Semantic roles & 50–950 ramp

primary

#B73447

secondary

#80C7BD

accent

#DFC949

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B73447

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

Preview Lab → · Contrast checker → · Palette generator →