#B73B4A#B73B4A

#B73B4A is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.5% C 0.159 H 17.5°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#B73B4A
RGB	rgb(183, 59, 74)
HSL	hsl(353, 51%, 47%)
HSV	hsv(353, 68%, 72%)
CMYK	cmyk(0%, 67.8%, 59.6%, 28.2%)
CIE-LAB	lab(43.79, 50.81, 19.51)
CIE-LCH	lch(43.79, 54.43, 21.01°)
OKLab	oklab(53.52% 0.1518 0.0478)
OKLCH	oklch(53.52% 0.159 17.5)
XYZ	xyz(22.3306, 13.6927, 7.9443)
Luminance	0.1369 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73B4A #3BB7A8

analogous

#B73B88 #B73B4A #B76A3B

triadic

#B73B4A #4AB73B #3B4AB7

tetradic

#B73B4A #88B73B #3BB7A8 #6A3BB7

square

#B73B4A #88B73B #3BB7A8 #6A3BB7

split-complementary

#B73B4A #3BB76A #3B88B7

monochromatic

#5A1D25 #892C37 #B73B4A #CD636F #DC919A

Accessibility & contrast

On white

5.62

#B73B4A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B73B4A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73B4A

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73B4A	#FFFFFF	#000000	##FFFFFF
##B73B4A	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B574A

Deuteranopia (green-blind)

#7A7147

Tritanopia (blue-blind)

#C81F41

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73b4a;
/* rgb */ color: rgb(183, 59, 74);
/* oklch */ color: oklch(53.5% 0.159 17.5);

Tailwind

colors: {
  custom: {
    50: '#d3787c',
    500: '#b73b4a',
    950: '#000000',
  },
}

SCSS

$custom: #b73b4a;
$custom-light: #d3787c;
$custom-dark: #000000;

JSON

{
  "hex": "#b73b4a",
  "rgb": {
    "r": 183,
    "g": 59,
    "b": 74
  },
  "hsl": {
    "h": 352.742,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53518,
    "c": 0.15917,
    "h": 17.5
  },
  "luminance": 0.1369
}

Semantic roles & 50–950 ramp

primary

#B73B4A

secondary

#87C6BF

accent

#DBCA4D

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B73B4A

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

Preview Lab → · Contrast checker → · Palette generator →