#B73436#B73436

#B73436 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.4% C 0.168 H 24.3°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B73436
RGB	rgb(183, 52, 54)
HSL	hsl(359, 56%, 46%)
HSV	hsv(359, 72%, 72%)
CMYK	cmyk(0%, 71.6%, 70.5%, 28.2%)
CIE-LAB	lab(42.45, 52.36, 29.97)
CIE-LCH	lch(42.45, 60.33, 29.79°)
OKLab	oklab(52.41% 0.1528 0.0691)
OKLCH	oklch(52.41% 0.168 24.3)
XYZ	xyz(21.4246, 12.7928, 4.8304)
Luminance	0.1279 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73436 #34B7B5

analogous

#B73477 #B73436 #B77334

triadic

#B73436 #36B734 #3436B7

tetradic

#B73436 #77B734 #34B7B5 #7334B7

square

#B73436 #77B734 #34B7B5 #7334B7

split-complementary

#B73436 #34B773 #3477B7

monochromatic

#58191A #872628 #B73436 #D0595A #DD8889

Accessibility & contrast

On white

5.90

#B73436 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B73436 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73436

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73436	#FFFFFF	#000000	##FFFFFF
##B73436	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595235

Deuteranopia (green-blind)

#7A6F32

Tritanopia (blue-blind)

#C90136

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b73436;
/* rgb */ color: rgb(183, 52, 54);
/* oklch */ color: oklch(52.4% 0.168 24.3);

Tailwind

colors: {
  custom: {
    50: '#d5756d',
    500: '#b73436',
    950: '#000000',
  },
}

SCSS

$custom: #b73436;
$custom-light: #d5756d;
$custom-dark: #000000;

JSON

{
  "hex": "#b73436",
  "rgb": {
    "r": 183,
    "g": 52,
    "b": 54
  },
  "hsl": {
    "h": 359.084,
    "s": 55.745,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52409,
    "c": 0.16768,
    "h": 24.3
  },
  "luminance": 0.1279
}

Semantic roles & 50–950 ramp

primary

#B73436

secondary

#80C7C6

accent

#DFDD49

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73436

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

Preview Lab → · Contrast checker → · Palette generator →