#B43237#B43237

#B43237 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.166 H 23.2°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX#B43237
RGBrgb(180, 50, 55)
HSLhsl(358, 57%, 45%)
HSVhsv(358, 72%, 71%)
CMYKcmyk(0%, 72.2%, 69.4%, 29.4%)
CIE-LABlab(41.63, 52.19, 28.26)
CIE-LCHlch(41.63, 59.35, 28.43°)
OKLaboklab(51.7% 0.1529 0.0656)
OKLCHoklch(51.7% 0.166 23.2)
XYZxyz(20.6548, 12.2634, 4.8932)
Luminance0.1226 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B43237 #32B4AF
analogous
#B43278 #B43237 #B46E32
triadic
#B43237 #37B432 #3237B4
tetradic
#B43237 #78B432 #32B4AF #6E32B4
square
#B43237 #78B432 #32B4AF #6E32B4
split-complementary
#B43237 #32B46E #3278B4
monochromatic
#54171A #842528 #B43237 #CF5459 #DD8487

Accessibility & contrast

On white

6.08
#B43237 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.45
#B43237 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43237
6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B43237#FFFFFF#000000##FFFFFF
##B432371.006.083.456.08
#FFFFFF6.081.0021.001.00
#0000003.4521.001.0021.00
##FFFFFF6.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#575036
Deuteranopia (green-blind)
#786C33
Tritanopia (blue-blind)
#C60035
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #b43237;
/* rgb */ color: rgb(180, 50, 55);
/* oklch */ color: oklch(51.7% 0.166 23.2);
Tailwind
colors: {
  custom: {
    50: '#d2736e',
    500: '#b43237',
    950: '#000000',
  },
}
SCSS
$custom: #b43237;
$custom-light: #d2736e;
$custom-dark: #000000;
JSON
{
  "hex": "#b43237",
  "rgb": {
    "r": 180,
    "g": 50,
    "b": 55
  },
  "hsl": {
    "h": 357.692,
    "s": 56.522,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51701,
    "c": 0.16635,
    "h": 23.2
  },
  "luminance": 0.1226
}

Semantic roles & 50–950 ramp

primary
#B43237
secondary
#7CC6C3
accent
#E0DA48
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160907
muted
#847B7A

Preview Lab

Preview with #B43237

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

Preview Lab → · Contrast checker → · Palette generator →

#B43237 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva