#B73B53#B73B53

#B73B53 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.7% C 0.159 H 12.9°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#B73B53
RGB	rgb(183, 59, 83)
HSL	hsl(348, 51%, 47%)
HSV	hsv(348, 68%, 72%)
CMYK	cmyk(0%, 67.8%, 54.6%, 28.2%)
CIE-LAB	lab(43.98, 51.49, 14.22)
CIE-LCH	lch(43.98, 53.42, 15.44°)
OKLab	oklab(53.72% 0.1554 0.0357)
OKLCH	oklch(53.72% 0.159 12.9)
XYZ	xyz(22.6558, 13.8228, 9.6570)
Luminance	0.1382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73B53 #3BB79F

analogous

#B73B91 #B73B53 #B7613B

triadic

#B73B53 #53B73B #3B53B7

tetradic

#B73B53 #91B73B #3BB79F #613BB7

square

#B73B53 #91B73B #3BB79F #613BB7

split-complementary

#B73B53 #3BB761 #3B91B7

monochromatic

#5A1D29 #892C3E #B73B53 #CD6377 #DC919F

Accessibility & contrast

On white

5.58

#B73B53 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B73B53 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73B53

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73B53	#FFFFFF	#000000	##FFFFFF
##B73B53	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595853

Deuteranopia (green-blind)

#797150

Tritanopia (blue-blind)

#C82245

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73b53;
/* rgb */ color: rgb(183, 59, 83);
/* oklch */ color: oklch(53.7% 0.159 12.9);

Tailwind

colors: {
  custom: {
    50: '#d27983',
    500: '#b73b53',
    950: '#000000',
  },
}

SCSS

$custom: #b73b53;
$custom-light: #d27983;
$custom-dark: #000000;

JSON

{
  "hex": "#b73b53",
  "rgb": {
    "r": 183,
    "g": 59,
    "b": 83
  },
  "hsl": {
    "h": 348.387,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5372,
    "c": 0.15947,
    "h": 12.9
  },
  "luminance": 0.1382
}

Semantic roles & 50–950 ramp

primary

#B73B53

secondary

#87C6BA

accent

#DBBF4D

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B73B53

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

Preview Lab → · Contrast checker → · Palette generator →