#B73F43#B73F43

#B73F43 is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.8% C 0.155 H 22.1°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#B73F43
RGB	rgb(183, 63, 67)
HSL	hsl(358, 49%, 48%)
HSV	hsv(358, 66%, 72%)
CMYK	cmyk(0%, 65.6%, 63.4%, 28.2%)
CIE-LAB	lab(44.28, 48.67, 24.41)
CIE-LCH	lch(44.28, 54.45, 26.64°)
OKLab	oklab(53.84% 0.1438 0.0584)
OKLCH	oklch(53.84% 0.155 22.1)
XYZ	xyz(22.3213, 14.0306, 6.8419)
Luminance	0.1403 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73F43 #3FB7B3

analogous

#B73F7F #B73F43 #B7773F

triadic

#B73F43 #43B73F #3F43B7

tetradic

#B73F43 #7FB73F #3FB7B3 #773FB7

square

#B73F43 #7FB73F #3FB7B3 #773FB7

split-complementary

#B73F43 #3FB777 #3F7FB7

monochromatic

#5C2022 #892F32 #B73F43 #CB686B #DB9698

Accessibility & contrast

On white

5.52

#B73F43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#B73F43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73F43

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73F43	#FFFFFF	#000000	##FFFFFF
##B73F43	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5942

Deuteranopia (green-blind)

#7D7240

Tritanopia (blue-blind)

#C82441

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b73f43;
/* rgb */ color: rgb(183, 63, 67);
/* oklch */ color: oklch(53.8% 0.155 22.1);

Tailwind

colors: {
  custom: {
    50: '#d37a77',
    500: '#b73f43',
    950: '#000000',
  },
}

SCSS

$custom: #b73f43;
$custom-light: #d37a77;
$custom-dark: #000000;

JSON

{
  "hex": "#b73f43",
  "rgb": {
    "r": 183,
    "g": 63,
    "b": 67
  },
  "hsl": {
    "h": 358,
    "s": 48.78,
    "l": 48.235
  },
  "oklch": {
    "l": 0.53841,
    "c": 0.15517,
    "h": 22.1
  },
  "luminance": 0.14028
}

Semantic roles & 50–950 ramp

primary

#B73F43

secondary

#8BC6C4

accent

#D8D44F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B73F43

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

Preview Lab → · Contrast checker → · Palette generator →