#B73541#B73541

#B73541 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.166 H 20.0°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B73541
RGB	rgb(183, 53, 65)
HSL	hsl(354, 55%, 46%)
HSV	hsv(354, 71%, 72%)
CMYK	cmyk(0%, 71%, 64.5%, 28.2%)
CIE-LAB	lab(42.76, 52.59, 23.70)
CIE-LCH	lch(42.76, 57.68, 24.26°)
OKLab	oklab(52.7% 0.1558 0.0566)
OKLCH	oklch(52.7% 0.166 20)
XYZ	xyz(21.7579, 12.9983, 6.3632)
Luminance	0.1300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73541 #35B7AB

analogous

#B73582 #B73541 #B76A35

triadic

#B73541 #41B735 #3541B7

tetradic

#B73541 #82B735 #35B7AB #6A35B7

square

#B73541 #82B735 #35B7AB #6A35B7

split-complementary

#B73541 #35B76A #3582B7

monochromatic

#581A1F #882730 #B73541 #CF5A65 #DD8991

Accessibility & contrast

On white

5.83

#B73541 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B73541 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73541

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73541	#FFFFFF	#000000	##FFFFFF
##B73541	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)

#595340

Deuteranopia (green-blind)

#796F3D

Tritanopia (blue-blind)

#C90C3A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b73541;
/* rgb */ color: rgb(183, 53, 65);
/* oklch */ color: oklch(52.7% 0.166 20.0);

Tailwind

colors: {
  custom: {
    50: '#d47575',
    500: '#b73541',
    950: '#000000',
  },
}

SCSS

$custom: #b73541;
$custom-light: #d47575;
$custom-dark: #000000;

JSON

{
  "hex": "#b73541",
  "rgb": {
    "r": 183,
    "g": 53,
    "b": 65
  },
  "hsl": {
    "h": 354.462,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52697,
    "c": 0.16577,
    "h": 20
  },
  "luminance": 0.12995
}

Semantic roles & 50–950 ramp

primary

#B73541

secondary

#81C7C1

accent

#DED149

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B73541

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

Preview Lab → · Contrast checker → · Palette generator →