#B73443#B73443

#B73443 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.6% C 0.167 H 18.8°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B73443
RGB	rgb(183, 52, 67)
HSL	hsl(353, 56%, 46%)
HSV	hsv(353, 72%, 72%)
CMYK	cmyk(0%, 71.6%, 63.4%, 28.2%)
CIE-LAB	lab(42.66, 53.08, 22.34)
CIE-LCH	lch(42.66, 57.59, 22.82°)
OKLab	oklab(52.63% 0.1578 0.0537)
OKLCH	oklch(52.63% 0.167 18.8)
XYZ	xyz(21.7718, 12.9317, 6.6587)
Luminance	0.1293 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73443 #34B7A8

analogous

#B73484 #B73443 #B76634

triadic

#B73443 #43B734 #3443B7

tetradic

#B73443 #84B734 #34B7A8 #6634B7

square

#B73443 #84B734 #34B7A8 #6634B7

split-complementary

#B73443 #34B766 #3484B7

monochromatic

#581920 #872632 #B73443 #D05966 #DD8892

Accessibility & contrast

On white

5.86

#B73443 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B73443 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73443

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73443	#FFFFFF	#000000	##FFFFFF
##B73443	1.00	5.86	3.59	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585343

Deuteranopia (green-blind)

#796F3F

Tritanopia (blue-blind)

#C90A3B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b73443;
/* rgb */ color: rgb(183, 52, 67);
/* oklch */ color: oklch(52.6% 0.167 18.8);

Tailwind

colors: {
  custom: {
    50: '#d47577',
    500: '#b73443',
    950: '#000000',
  },
}

SCSS

$custom: #b73443;
$custom-light: #d47577;
$custom-dark: #000000;

JSON

{
  "hex": "#b73443",
  "rgb": {
    "r": 183,
    "g": 52,
    "b": 67
  },
  "hsl": {
    "h": 353.13,
    "s": 55.745,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52634,
    "c": 0.16668,
    "h": 18.8
  },
  "luminance": 0.12929
}

Semantic roles & 50–950 ramp

primary

#B73443

secondary

#80C7BF

accent

#DFCE49

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B73443

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

Preview Lab → · Contrast checker → · Palette generator →