#B73542#B73542

#B73542 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.166 H 19.5°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B73542
RGB	rgb(183, 53, 66)
HSL	hsl(354, 55%, 46%)
HSV	hsv(354, 71%, 72%)
CMYK	cmyk(0%, 71%, 63.9%, 28.2%)
CIE-LAB	lab(42.78, 52.65, 23.11)
CIE-LCH	lch(42.78, 57.50, 23.70°)
OKLab	oklab(52.72% 0.1562 0.0554)
OKLCH	oklch(52.72% 0.166 19.5)
XYZ	xyz(21.7872, 13.0100, 6.5171)
Luminance	0.1301 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73542 #35B7AA

analogous

#B73583 #B73542 #B76935

triadic

#B73542 #42B735 #3542B7

tetradic

#B73542 #83B735 #35B7AA #6935B7

square

#B73542 #83B735 #35B7AA #6935B7

split-complementary

#B73542 #35B769 #3583B7

monochromatic

#581A20 #882731 #B73542 #CF5A66 #DD8992

Accessibility & contrast

On white

5.83

#B73542 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B73542 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73542

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73542	#FFFFFF	#000000	##FFFFFF
##B73542	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585442

Deuteranopia (green-blind)

#796F3E

Tritanopia (blue-blind)

#C90D3B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b73542;
/* rgb */ color: rgb(183, 53, 66);
/* oklch */ color: oklch(52.7% 0.166 19.5);

Tailwind

colors: {
  custom: {
    50: '#d47576',
    500: '#b73542',
    950: '#000000',
  },
}

SCSS

$custom: #b73542;
$custom-light: #d47576;
$custom-dark: #000000;

JSON

{
  "hex": "#b73542",
  "rgb": {
    "r": 183,
    "g": 53,
    "b": 66
  },
  "hsl": {
    "h": 354,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52716,
    "c": 0.16572,
    "h": 19.5
  },
  "luminance": 0.13007
}

Semantic roles & 50–950 ramp

primary

#B73542

secondary

#81C7C0

accent

#DED049

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B73542

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

Preview Lab → · Contrast checker → · Palette generator →