#B73B47#B73B47

#B73B47 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.5% C 0.159 H 18.9°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#B73B47
RGB	rgb(183, 59, 71)
HSL	hsl(354, 51%, 47%)
HSV	hsv(354, 68%, 72%)
CMYK	cmyk(0%, 67.8%, 61.2%, 28.2%)
CIE-LAB	lab(43.73, 50.61, 21.28)
CIE-LCH	lch(43.73, 54.90, 22.80°)
OKLab	oklab(53.46% 0.1507 0.0516)
OKLCH	oklch(53.46% 0.159 18.9)
XYZ	xyz(22.2319, 13.6532, 7.4247)
Luminance	0.1365 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73B47 #3BB7AB

analogous

#B73B85 #B73B47 #B76D3B

triadic

#B73B47 #47B73B #3B47B7

tetradic

#B73B47 #85B73B #3BB7AB #6D3BB7

square

#B73B47 #85B73B #3BB7AB #6D3BB7

split-complementary

#B73B47 #3BB76D #3B85B7

monochromatic

#5A1D23 #892C35 #B73B47 #CD636D #DC9198

Accessibility & contrast

On white

5.63

#B73B47 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B73B47 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73B47

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73B47	#FFFFFF	#000000	##FFFFFF
##B73B47	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5747

Deuteranopia (green-blind)

#7B7144

Tritanopia (blue-blind)

#C81E40

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73b47;
/* rgb */ color: rgb(183, 59, 71);
/* oklch */ color: oklch(53.5% 0.159 18.9);

Tailwind

colors: {
  custom: {
    50: '#d3787a',
    500: '#b73b47',
    950: '#000000',
  },
}

SCSS

$custom: #b73b47;
$custom-light: #d3787a;
$custom-dark: #000000;

JSON

{
  "hex": "#b73b47",
  "rgb": {
    "r": 183,
    "g": 59,
    "b": 71
  },
  "hsl": {
    "h": 354.194,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53456,
    "c": 0.15925,
    "h": 18.9
  },
  "luminance": 0.1365
}

Semantic roles & 50–950 ramp

primary

#B73B47

secondary

#87C6C0

accent

#DBCD4D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B73B47

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

Preview Lab → · Contrast checker → · Palette generator →