#B73B50#B73B50

#B73B50 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.6% C 0.159 H 14.5°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#B73B50
RGB	rgb(183, 59, 80)
HSL	hsl(350, 51%, 47%)
HSV	hsv(350, 68%, 72%)
CMYK	cmyk(0%, 67.8%, 56.3%, 28.2%)
CIE-LAB	lab(43.91, 51.26, 15.98)
CIE-LCH	lch(43.91, 53.69, 17.32°)
OKLab	oklab(53.65% 0.1542 0.0398)
OKLCH	oklch(53.65% 0.159 14.5)
XYZ	xyz(22.5424, 13.7774, 9.0601)
Luminance	0.1377 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73B50 #3BB7A2

analogous

#B73B8E #B73B50 #B7643B

triadic

#B73B50 #50B73B #3B50B7

tetradic

#B73B50 #8EB73B #3BB7A2 #643BB7

square

#B73B50 #8EB73B #3BB7A2 #643BB7

split-complementary

#B73B50 #3BB764 #3B8EB7

monochromatic

#5A1D28 #892C3C #B73B50 #CD6375 #DC919E

Accessibility & contrast

On white

5.59

#B73B50 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B73B50 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73B50

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73B50	#FFFFFF	#000000	##FFFFFF
##B73B50	1.00	5.59	3.75	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5850

Deuteranopia (green-blind)

#7A714D

Tritanopia (blue-blind)

#C82143

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73b50;
/* rgb */ color: rgb(183, 59, 80);
/* oklch */ color: oklch(53.6% 0.159 14.5);

Tailwind

colors: {
  custom: {
    50: '#d37980',
    500: '#b73b50',
    950: '#000000',
  },
}

SCSS

$custom: #b73b50;
$custom-light: #d37980;
$custom-dark: #000000;

JSON

{
  "hex": "#b73b50",
  "rgb": {
    "r": 183,
    "g": 59,
    "b": 80
  },
  "hsl": {
    "h": 349.839,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5365,
    "c": 0.15929,
    "h": 14.5
  },
  "luminance": 0.13774
}

Semantic roles & 50–950 ramp

primary

#B73B50

secondary

#87C6BC

accent

#DBC34D

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B73B50

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

Preview Lab → · Contrast checker → · Palette generator →