#B73343#B73343

#B73343 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.5% C 0.168 H 18.5°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B73343
RGB	rgb(183, 51, 67)
HSL	hsl(353, 56%, 46%)
HSV	hsv(353, 72%, 72%)
CMYK	cmyk(0%, 72.1%, 63.4%, 28.2%)
CIE-LAB	lab(42.53, 53.45, 22.17)
CIE-LCH	lch(42.53, 57.87, 22.52°)
OKLab	oklab(52.53% 0.159 0.0533)
OKLCH	oklch(52.53% 0.168 18.5)
XYZ	xyz(21.7276, 12.8433, 6.6440)
Luminance	0.1284 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73343 #33B7A7

analogous

#B73385 #B73343 #B76533

triadic

#B73343 #43B733 #3343B7

tetradic

#B73343 #85B733 #33B7A7 #6533B7

square

#B73343 #85B733 #33B7A7 #6533B7

split-complementary

#B73343 #33B765 #3385B7

monochromatic

#571820 #872631 #B73343 #D05766 #DE8791

Accessibility & contrast

On white

5.89

#B73343 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B73343 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73343

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73343	#FFFFFF	#000000	##FFFFFF
##B73343	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575343

Deuteranopia (green-blind)

#796F3F

Tritanopia (blue-blind)

#C9063A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b73343;
/* rgb */ color: rgb(183, 51, 67);
/* oklch */ color: oklch(52.5% 0.168 18.5);

Tailwind

colors: {
  custom: {
    50: '#d47477',
    500: '#b73343',
    950: '#000000',
  },
}

SCSS

$custom: #b73343;
$custom-light: #d47477;
$custom-dark: #000000;

JSON

{
  "hex": "#b73343",
  "rgb": {
    "r": 183,
    "g": 51,
    "b": 67
  },
  "hsl": {
    "h": 352.727,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52534,
    "c": 0.16767,
    "h": 18.5
  },
  "luminance": 0.1284
}

Semantic roles & 50–950 ramp

primary

#B73343

secondary

#7FC7BE

accent

#E0CD48

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B73343

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

Preview Lab → · Contrast checker → · Palette generator →