#B73750#B73750

#B73750 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.2% C 0.164 H 13.4°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B73750
RGB	rgb(183, 55, 80)
HSL	hsl(348, 54%, 47%)
HSV	hsv(348, 70%, 72%)
CMYK	cmyk(0%, 69.9%, 56.3%, 28.2%)
CIE-LAB	lab(43.33, 52.84, 15.20)
CIE-LCH	lch(43.33, 54.99, 16.04°)
OKLab	oklab(53.22% 0.1593 0.0379)
OKLCH	oklch(53.22% 0.164 13.4)
XYZ	xyz(22.3447, 13.3819, 8.9942)
Luminance	0.1338 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73750 #37B79E

analogous

#B73790 #B73750 #B75E37

triadic

#B73750 #50B737 #3750B7

tetradic

#B73750 #90B737 #37B79E #5E37B7

square

#B73750 #90B737 #37B79E #5E37B7

split-complementary

#B73750 #37B75E #3790B7

monochromatic

#591B27 #88293B #B73750 #CE5D73 #DC8C9C

Accessibility & contrast

On white

5.71

#B73750 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B73750 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73750

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73750	#FFFFFF	#000000	##FFFFFF
##B73750	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575650

Deuteranopia (green-blind)

#78704D

Tritanopia (blue-blind)

#C81A41

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b73750;
/* rgb */ color: rgb(183, 55, 80);
/* oklch */ color: oklch(53.2% 0.164 13.4);

Tailwind

colors: {
  custom: {
    50: '#d37780',
    500: '#b73750',
    950: '#000000',
  },
}

SCSS

$custom: #b73750;
$custom-light: #d37780;
$custom-dark: #000000;

JSON

{
  "hex": "#b73750",
  "rgb": {
    "r": 183,
    "g": 55,
    "b": 80
  },
  "hsl": {
    "h": 348.281,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53219,
    "c": 0.16377,
    "h": 13.4
  },
  "luminance": 0.13379
}

Semantic roles & 50–950 ramp

primary

#B73750

secondary

#83C7BA

accent

#DDC14B

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B73750

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

Preview Lab → · Contrast checker → · Palette generator →