#B73947#B73947

#B73947 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.2% C 0.161 H 18.3°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#B73947
RGB	rgb(183, 57, 71)
HSL	hsl(353, 53%, 47%)
HSV	hsv(353, 69%, 72%)
CMYK	cmyk(0%, 68.9%, 61.2%, 28.2%)
CIE-LAB	lab(43.44, 51.41, 20.89)
CIE-LCH	lch(43.44, 55.50, 22.11°)
OKLab	oklab(53.24% 0.1532 0.0507)
OKLCH	oklch(53.24% 0.161 18.3)
XYZ	xyz(22.1311, 13.4516, 7.3911)
Luminance	0.1345 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73947 #39B7A9

analogous

#B73986 #B73947 #B76A39

triadic

#B73947 #47B739 #3947B7

tetradic

#B73947 #86B739 #39B7A9 #6A39B7

square

#B73947 #86B739 #39B7A9 #6A39B7

split-complementary

#B73947 #39B76A #3986B7

monochromatic

#5A1C23 #882A35 #B73947 #CD606C #DC8E97

Accessibility & contrast

On white

5.69

#B73947 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B73947 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73947

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73947	#FFFFFF	#000000	##FFFFFF
##B73947	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5647

Deuteranopia (green-blind)

#7A7044

Tritanopia (blue-blind)

#C81A3F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73947;
/* rgb */ color: rgb(183, 57, 71);
/* oklch */ color: oklch(53.2% 0.161 18.3);

Tailwind

colors: {
  custom: {
    50: '#d3777a',
    500: '#b73947',
    950: '#000000',
  },
}

SCSS

$custom: #b73947;
$custom-light: #d3777a;
$custom-dark: #000000;

JSON

{
  "hex": "#b73947",
  "rgb": {
    "r": 183,
    "g": 57,
    "b": 71
  },
  "hsl": {
    "h": 353.333,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53236,
    "c": 0.1614,
    "h": 18.3
  },
  "luminance": 0.13448
}

Semantic roles & 50–950 ramp

primary

#B73947

secondary

#85C7BF

accent

#DCCC4C

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B73947

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

Preview Lab → · Contrast checker → · Palette generator →