#B72C31#B72C31

#B72C31 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.6% C 0.175 H 24.2°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX#B72C31
RGBrgb(183, 44, 49)
HSLhsl(358, 61%, 45%)
HSVhsv(358, 76%, 72%)
CMYKcmyk(0%, 76%, 73.2%, 28.2%)
CIE-LABlab(41.36, 54.94, 31.68)
CIE-LCHlch(41.36, 63.42, 29.97°)
OKLaboklab(51.58% 0.1599 0.0719)
OKLCHoklch(51.58% 0.175 24.2)
XYZxyz(20.9859, 12.0936, 4.1344)
Luminance0.1209 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B72C31 #2CB7B2
analogous
#B72C76 #B72C31 #B76D2C
triadic
#B72C31 #31B72C #2C31B7
tetradic
#B72C31 #76B72C #2CB7B2 #6D2CB7
square
#B72C31 #76B72C #2CB7B2 #6D2CB7
split-complementary
#B72C31 #2CB76D #2C76B7
monochromatic
#541417 #862024 #B72C31 #D44C51 #E07E81

Accessibility & contrast

On white

6.14
#B72C31 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.42
#B72C31 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72C31
6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B72C31#FFFFFF#000000##FFFFFF
##B72C311.006.143.426.14
#FFFFFF6.141.0021.001.00
#0000003.4221.001.0021.00
##FFFFFF6.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564E30
Deuteranopia (green-blind)
#786C2C
Tritanopia (blue-blind)
#C90030
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #b72c31;
/* rgb */ color: rgb(183, 44, 49);
/* oklch */ color: oklch(51.6% 0.175 24.2);
Tailwind
colors: {
  custom: {
    50: '#d57169',
    500: '#b72c31',
    950: '#000000',
  },
}
SCSS
$custom: #b72c31;
$custom-light: #d57169;
$custom-dark: #000000;
JSON
{
  "hex": "#b72c31",
  "rgb": {
    "r": 183,
    "g": 44,
    "b": 49
  },
  "hsl": {
    "h": 357.842,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51578,
    "c": 0.1753,
    "h": 24.2
  },
  "luminance": 0.1209
}

Semantic roles & 50–950 ramp

primary
#B72C31
secondary
#76C8C5
accent
#E4DF43
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160806
muted
#847B7A

Preview Lab

Preview with #B72C31

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

Preview Lab → · Contrast checker → · Palette generator →

#B72C31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva