#B73336#B73336

#B73336 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.169 H 24.1°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B73336
RGB	rgb(183, 51, 54)
HSL	hsl(359, 56%, 46%)
HSV	hsv(359, 72%, 72%)
CMYK	cmyk(0%, 72.1%, 70.5%, 28.2%)
CIE-LAB	lab(42.31, 52.73, 29.81)
CIE-LCH	lch(42.31, 60.57, 29.48°)
OKLab	oklab(52.31% 0.154 0.0687)
OKLCH	oklch(52.31% 0.169 24.1)
XYZ	xyz(21.3805, 12.7045, 4.8157)
Luminance	0.1270 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73336 #33B7B4

analogous

#B73378 #B73336 #B77233

triadic

#B73336 #36B733 #3336B7

tetradic

#B73336 #78B733 #33B7B4 #7233B7

square

#B73336 #78B733 #33B7B4 #7233B7

split-complementary

#B73336 #33B772 #3378B7

monochromatic

#57181A #872628 #B73336 #D0575A #DE8789

Accessibility & contrast

On white

5.93

#B73336 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B73336 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73336

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73336	#FFFFFF	#000000	##FFFFFF
##B73336	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595235

Deuteranopia (green-blind)

#7A6E32

Tritanopia (blue-blind)

#C90036

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b73336;
/* rgb */ color: rgb(183, 51, 54);
/* oklch */ color: oklch(52.3% 0.169 24.1);

Tailwind

colors: {
  custom: {
    50: '#d5746d',
    500: '#b73336',
    950: '#000000',
  },
}

SCSS

$custom: #b73336;
$custom-light: #d5746d;
$custom-dark: #000000;

JSON

{
  "hex": "#b73336",
  "rgb": {
    "r": 183,
    "g": 51,
    "b": 54
  },
  "hsl": {
    "h": 358.636,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52308,
    "c": 0.16861,
    "h": 24.1
  },
  "luminance": 0.12701
}

Semantic roles & 50–950 ramp

primary

#B73336

secondary

#7FC7C6

accent

#E0DC48

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73336

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

Preview Lab → · Contrast checker → · Palette generator →