#B73243#B73243

#B73243 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.4% C 0.169 H 18.3°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#B73243
RGB	rgb(183, 50, 67)
HSL	hsl(352, 57%, 46%)
HSV	hsv(352, 73%, 72%)
CMYK	cmyk(0%, 72.7%, 63.4%, 28.2%)
CIE-LAB	lab(42.39, 53.82, 22.00)
CIE-LCH	lch(42.39, 58.14, 22.23°)
OKLab	oklab(52.44% 0.1601 0.0529)
OKLCH	oklch(52.44% 0.169 18.3)
XYZ	xyz(21.6844, 12.7569, 6.6296)
Luminance	0.1275 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73243 #32B7A6

analogous

#B73285 #B73243 #B76332

triadic

#B73243 #43B732 #3243B7

tetradic

#B73243 #85B732 #32B7A6 #6332B7

square

#B73243 #85B732 #32B7A6 #6332B7

split-complementary

#B73243 #32B763 #3285B7

monochromatic

#571820 #872531 #B73243 #D15665 #DE8691

Accessibility & contrast

On white

5.91

#B73243 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B73243 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73243

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73243	#FFFFFF	#000000	##FFFFFF
##B73243	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575243

Deuteranopia (green-blind)

#786E3F

Tritanopia (blue-blind)

#C90339

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b73243;
/* rgb */ color: rgb(183, 50, 67);
/* oklch */ color: oklch(52.4% 0.169 18.3);

Tailwind

colors: {
  custom: {
    50: '#d47477',
    500: '#b73243',
    950: '#000000',
  },
}

SCSS

$custom: #b73243;
$custom-light: #d47477;
$custom-dark: #000000;

JSON

{
  "hex": "#b73243",
  "rgb": {
    "r": 183,
    "g": 50,
    "b": 67
  },
  "hsl": {
    "h": 352.331,
    "s": 57.082,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52436,
    "c": 0.16866,
    "h": 18.3
  },
  "luminance": 0.12754
}

Semantic roles & 50–950 ramp

primary

#B73243

secondary

#7DC7BE

accent

#E0CD47

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B73243

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

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