#B73B43#B73B43

#B73B43 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.4% C 0.159 H 20.8°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#B73B43
RGB	rgb(183, 59, 67)
HSL	hsl(356, 51%, 47%)
HSV	hsv(356, 68%, 72%)
CMYK	cmyk(0%, 67.8%, 63.4%, 28.2%)
CIE-LAB	lab(43.66, 50.34, 23.62)
CIE-LCH	lch(43.66, 55.61, 25.14°)
OKLab	oklab(53.38% 0.1491 0.0566)
OKLCH	oklch(53.38% 0.159 20.8)
XYZ	xyz(22.1077, 13.6036, 6.7707)
Luminance	0.1360 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73B43 #3BB7AF

analogous

#B73B81 #B73B43 #B7713B

triadic

#B73B43 #43B73B #3B43B7

tetradic

#B73B43 #81B73B #3BB7AF #713BB7

square

#B73B43 #81B73B #3BB7AF #713BB7

split-complementary

#B73B43 #3BB771 #3B81B7

monochromatic

#5A1D21 #892C32 #B73B43 #CD6369 #DC9196

Accessibility & contrast

On white

5.65

#B73B43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B73B43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73B43

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73B43	#FFFFFF	#000000	##FFFFFF
##B73B43	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5642

Deuteranopia (green-blind)

#7B7140

Tritanopia (blue-blind)

#C91C3F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73b43;
/* rgb */ color: rgb(183, 59, 67);
/* oklch */ color: oklch(53.4% 0.159 20.8);

Tailwind

colors: {
  custom: {
    50: '#d37877',
    500: '#b73b43',
    950: '#000000',
  },
}

SCSS

$custom: #b73b43;
$custom-light: #d37877;
$custom-dark: #000000;

JSON

{
  "hex": "#b73b43",
  "rgb": {
    "r": 183,
    "g": 59,
    "b": 67
  },
  "hsl": {
    "h": 356.129,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53379,
    "c": 0.15947,
    "h": 20.8
  },
  "luminance": 0.136
}

Semantic roles & 50–950 ramp

primary

#B73B43

secondary

#87C6C2

accent

#DBD24D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B73B43

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

Preview Lab → · Contrast checker → · Palette generator →