#B73F47#B73F47

#B73F47 is a mid, vivid red. Relative luminance 0.141; OKLCH L 53.9% C 0.155 H 20.2°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#B73F47
RGB	rgb(183, 63, 71)
HSL	hsl(356, 49%, 48%)
HSV	hsv(356, 66%, 72%)
CMYK	cmyk(0%, 65.6%, 61.2%, 28.2%)
CIE-LAB	lab(44.35, 48.93, 22.08)
CIE-LCH	lch(44.35, 53.68, 24.29°)
OKLab	oklab(53.92% 0.1453 0.0535)
OKLCH	oklch(53.92% 0.155 20.2)
XYZ	xyz(22.4454, 14.0803, 7.4959)
Luminance	0.1408 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73F47 #3FB7AF

analogous

#B73F83 #B73F47 #B7733F

triadic

#B73F47 #47B73F #3F47B7

tetradic

#B73F47 #83B73F #3FB7AF #733FB7

square

#B73F47 #83B73F #3FB7AF #733FB7

split-complementary

#B73F47 #3FB773 #3F83B7

monochromatic

#5C2024 #892F35 #B73F47 #CB686F #DB969A

Accessibility & contrast

On white

5.50

#B73F47 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#B73F47 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73F47

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73F47	#FFFFFF	#000000	##FFFFFF
##B73F47	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5946

Deuteranopia (green-blind)

#7C7244

Tritanopia (blue-blind)

#C82543

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b73f47;
/* rgb */ color: rgb(183, 63, 71);
/* oklch */ color: oklch(53.9% 0.155 20.2);

Tailwind

colors: {
  custom: {
    50: '#d37b7a',
    500: '#b73f47',
    950: '#000000',
  },
}

SCSS

$custom: #b73f47;
$custom-light: #d37b7a;
$custom-dark: #000000;

JSON

{
  "hex": "#b73f47",
  "rgb": {
    "r": 183,
    "g": 63,
    "b": 71
  },
  "hsl": {
    "h": 356,
    "s": 48.78,
    "l": 48.235
  },
  "oklch": {
    "l": 0.53917,
    "c": 0.15485,
    "h": 20.2
  },
  "luminance": 0.14077
}

Semantic roles & 50–950 ramp

primary

#B73F47

secondary

#8BC6C2

accent

#D8CF4F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B73F47

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

Preview Lab → · Contrast checker → · Palette generator →