#B73D47#B73D47

#B73D47 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.7% C 0.157 H 19.5°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#B73D47
RGB	rgb(183, 61, 71)
HSL	hsl(355, 50%, 48%)
HSV	hsv(355, 67%, 72%)
CMYK	cmyk(0%, 66.7%, 61.2%, 28.2%)
CIE-LAB	lab(44.04, 49.78, 21.67)
CIE-LCH	lch(44.04, 54.29, 23.53°)
OKLab	oklab(53.68% 0.148 0.0525)
OKLCH	oklch(53.68% 0.157 19.5)
XYZ	xyz(22.3367, 13.8628, 7.4596)
Luminance	0.1386 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73D47 #3DB7AD

analogous

#B73D84 #B73D47 #B7703D

triadic

#B73D47 #47B73D #3D47B7

tetradic

#B73D47 #84B73D #3DB7AD #703DB7

square

#B73D47 #84B73D #3DB7AD #703DB7

split-complementary

#B73D47 #3DB770 #3D84B7

monochromatic

#5B1E23 #892E35 #B73D47 #CC656E #DB9399

Accessibility & contrast

On white

5.57

#B73D47 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#B73D47 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73D47

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73D47	#FFFFFF	#000000	##FFFFFF
##B73D47	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5847

Deuteranopia (green-blind)

#7B7244

Tritanopia (blue-blind)

#C82241

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73d47;
/* rgb */ color: rgb(183, 61, 71);
/* oklch */ color: oklch(53.7% 0.157 19.5);

Tailwind

colors: {
  custom: {
    50: '#d3797a',
    500: '#b73d47',
    950: '#000000',
  },
}

SCSS

$custom: #b73d47;
$custom-light: #d3797a;
$custom-dark: #000000;

JSON

{
  "hex": "#b73d47",
  "rgb": {
    "r": 183,
    "g": 61,
    "b": 71
  },
  "hsl": {
    "h": 355.082,
    "s": 50,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53683,
    "c": 0.15707,
    "h": 19.5
  },
  "luminance": 0.1386
}

Semantic roles & 50–950 ramp

primary

#B73D47

secondary

#89C6C1

accent

#DACE4E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B73D47

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

Preview Lab → · Contrast checker → · Palette generator →