#B73C43#B73C43

#B73C43 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.5% C 0.158 H 21.1°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#B73C43
RGB	rgb(183, 60, 67)
HSL	hsl(357, 51%, 48%)
HSV	hsv(357, 67%, 72%)
CMYK	cmyk(0%, 67.2%, 63.4%, 28.2%)
CIE-LAB	lab(43.81, 49.93, 23.82)
CIE-LCH	lch(43.81, 55.32, 25.50°)
OKLab	oklab(53.49% 0.1478 0.0571)
OKLCH	oklch(53.49% 0.158 21.1)
XYZ	xyz(22.1596, 13.7073, 6.7880)
Luminance	0.1370 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73C43 #3CB7B0

analogous

#B73C81 #B73C43 #B7723C

triadic

#B73C43 #43B73C #3C43B7

tetradic

#B73C43 #81B73C #3CB7B0 #723CB7

square

#B73C43 #81B73C #3CB7B0 #723CB7

split-complementary

#B73C43 #3CB772 #3C81B7

monochromatic

#5B1E21 #892D32 #B73C43 #CC646A #DB9296

Accessibility & contrast

On white

5.61

#B73C43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B73C43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73C43

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73C43	#FFFFFF	#000000	##FFFFFF
##B73C43	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5742

Deuteranopia (green-blind)

#7C7140

Tritanopia (blue-blind)

#C91E40

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73c43;
/* rgb */ color: rgb(183, 60, 67);
/* oklch */ color: oklch(53.5% 0.158 21.1);

Tailwind

colors: {
  custom: {
    50: '#d37977',
    500: '#b73c43',
    950: '#000000',
  },
}

SCSS

$custom: #b73c43;
$custom-light: #d37977;
$custom-dark: #000000;

JSON

{
  "hex": "#b73c43",
  "rgb": {
    "r": 183,
    "g": 60,
    "b": 67
  },
  "hsl": {
    "h": 356.585,
    "s": 50.617,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53492,
    "c": 0.1584,
    "h": 21.1
  },
  "luminance": 0.13704
}

Semantic roles & 50–950 ramp

primary

#B73C43

secondary

#88C6C3

accent

#DAD24E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B73C43

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

Preview Lab → · Contrast checker → · Palette generator →