#B73F4A#B73F4A

#B73F4A is a mid, vivid red. Relative luminance 0.141; OKLCH L 54.0% C 0.155 H 18.7°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#B73F4A
RGB	rgb(183, 63, 74)
HSL	hsl(355, 49%, 48%)
HSV	hsv(355, 66%, 72%)
CMYK	cmyk(0%, 65.6%, 59.6%, 28.2%)
CIE-LAB	lab(44.40, 49.14, 20.32)
CIE-LCH	lch(44.40, 53.18, 22.47°)
OKLab	oklab(53.98% 0.1465 0.0497)
OKLCH	oklch(53.98% 0.155 18.7)
XYZ	xyz(22.5441, 14.1197, 8.0155)
Luminance	0.1412 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73F4A #3FB7AC

analogous

#B73F86 #B73F4A #B7703F

triadic

#B73F4A #4AB73F #3F4AB7

tetradic

#B73F4A #86B73F #3FB7AC #703FB7

square

#B73F4A #86B73F #3FB7AC #703FB7

split-complementary

#B73F4A #3FB770 #3F86B7

monochromatic

#5C2025 #892F38 #B73F4A #CB6871 #DB969C

Accessibility & contrast

On white

5.49

#B73F4A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#B73F4A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73F4A

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73F4A	#FFFFFF	#000000	##FFFFFF
##B73F4A	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D594A

Deuteranopia (green-blind)

#7C7247

Tritanopia (blue-blind)

#C82644

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b73f4a;
/* rgb */ color: rgb(183, 63, 74);
/* oklch */ color: oklch(54.0% 0.155 18.7);

Tailwind

colors: {
  custom: {
    50: '#d37b7c',
    500: '#b73f4a',
    950: '#000000',
  },
}

SCSS

$custom: #b73f4a;
$custom-light: #d37b7c;
$custom-dark: #000000;

JSON

{
  "hex": "#b73f4a",
  "rgb": {
    "r": 183,
    "g": 63,
    "b": 74
  },
  "hsl": {
    "h": 354.5,
    "s": 48.78,
    "l": 48.235
  },
  "oklch": {
    "l": 0.53978,
    "c": 0.15471,
    "h": 18.7
  },
  "luminance": 0.14117
}

Semantic roles & 50–950 ramp

primary

#B73F4A

secondary

#8BC6C1

accent

#D8CC4F

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B73F4A

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

Preview Lab → · Contrast checker → · Palette generator →