#B73834#B73834

#B73834 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.8% C 0.164 H 26.3°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#B73834
RGB	rgb(183, 56, 52)
HSL	hsl(2, 56%, 46%)
HSV	hsv(2, 72%, 72%)
CMYK	cmyk(0%, 69.4%, 71.6%, 28.2%)
CIE-LAB	lab(42.98, 50.72, 31.79)
CIE-LCH	lch(42.98, 59.86, 32.08°)
OKLab	oklab(52.8% 0.1472 0.0727)
OKLCH	oklch(52.8% 0.164 26.3)
XYZ	xyz(21.5648, 13.1467, 4.6502)
Luminance	0.1314 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73834 #34B3B7

analogous

#B73471 #B73834 #B77934

triadic

#B73834 #34B738 #3834B7

tetradic

#B73834 #71B734 #34B3B7 #7934B7

square

#B73834 #71B734 #34B3B7 #7934B7

split-complementary

#B73834 #34B779 #3471B7

monochromatic

#581B19 #872926 #B73834 #D05C59 #DD8B88

Accessibility & contrast

On white

5.79

#B73834 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B73834 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73834

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73834	#FFFFFF	#000000	##FFFFFF
##B73834	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5432

Deuteranopia (green-blind)

#7C7030

Tritanopia (blue-blind)

#C90F38

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b73834;
/* rgb */ color: rgb(183, 56, 52);
/* oklch */ color: oklch(52.8% 0.164 26.3);

Tailwind

colors: {
  custom: {
    50: '#d4776c',
    500: '#b73834',
    950: '#000000',
  },
}

SCSS

$custom: #b73834;
$custom-light: #d4776c;
$custom-dark: #000000;

JSON

{
  "hex": "#b73834",
  "rgb": {
    "r": 183,
    "g": 56,
    "b": 52
  },
  "hsl": {
    "h": 1.832,
    "s": 55.745,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52799,
    "c": 0.16415,
    "h": 26.3
  },
  "luminance": 0.13144
}

Semantic roles & 50–950 ramp

primary

#B73834

secondary

#80C5C7

accent

#DADF49

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73834

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

Preview Lab → · Contrast checker → · Palette generator →