#B73836#B73836

#B73836 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.164 H 25.5°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B73836
RGB	rgb(183, 56, 54)
HSL	hsl(1, 54%, 46%)
HSV	hsv(1, 70%, 72%)
CMYK	cmyk(0%, 69.4%, 70.5%, 28.2%)
CIE-LAB	lab(43.01, 50.82, 30.64)
CIE-LCH	lch(43.01, 59.34, 31.09°)
OKLab	oklab(52.83% 0.1479 0.0705)
OKLCH	oklch(52.83% 0.164 25.5)
XYZ	xyz(21.6108, 13.1651, 4.8925)
Luminance	0.1316 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73836 #36B5B7

analogous

#B73675 #B73836 #B77936

triadic

#B73836 #36B738 #3836B7

tetradic

#B73836 #75B736 #36B5B7 #7936B7

square

#B73836 #75B736 #36B5B7 #7936B7

split-complementary

#B73836 #36B779 #3675B7

monochromatic

#581B1A #882A28 #B73836 #CF5D5B #DD8C8B

Accessibility & contrast

On white

5.78

#B73836 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B73836 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73836

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73836	#FFFFFF	#000000	##FFFFFF
##B73836	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5435

Deuteranopia (green-blind)

#7B7032

Tritanopia (blue-blind)

#C91039

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b73836;
/* rgb */ color: rgb(183, 56, 54);
/* oklch */ color: oklch(52.8% 0.164 25.5);

Tailwind

colors: {
  custom: {
    50: '#d4776d',
    500: '#b73836',
    950: '#000000',
  },
}

SCSS

$custom: #b73836;
$custom-light: #d4776d;
$custom-dark: #000000;

JSON

{
  "hex": "#b73836",
  "rgb": {
    "r": 183,
    "g": 56,
    "b": 54
  },
  "hsl": {
    "h": 0.93,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52828,
    "c": 0.16387,
    "h": 25.5
  },
  "luminance": 0.13162
}

Semantic roles & 50–950 ramp

primary

#B73836

secondary

#82C6C7

accent

#DBDE4A

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73836

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

Preview Lab → · Contrast checker → · Palette generator →