#B72C3D#B72C3D

#B72C3D is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.8% C 0.174 H 19.5°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX#B72C3D
RGBrgb(183, 44, 61)
HSLhsl(353, 61%, 45%)
HSVhsv(353, 76%, 72%)
CMYKcmyk(0%, 76%, 66.7%, 28.2%)
CIE-LABlab(41.55, 55.54, 24.62)
CIE-LCHlch(41.55, 60.75, 23.91°)
OKLaboklab(51.77% 0.1644 0.0582)
OKLCHoklch(51.77% 0.174 19.5)
XYZxyz(21.2737, 12.2088, 5.6503)
Luminance0.1221 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B72C3D #2CB7A6
analogous
#B72C83 #B72C3D #B7612C
triadic
#B72C3D #3DB72C #2C3DB7
tetradic
#B72C3D #83B72C #2CB7A6 #612CB7
square
#B72C3D #83B72C #2CB7A6 #612CB7
split-complementary
#B72C3D #2CB761 #2C83B7
monochromatic
#54141C #86202D #B72C3D #D44C5D #E07E8A

Accessibility & contrast

On white

6.10
#B72C3D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.44
#B72C3D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72C3D
6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B72C3D#FFFFFF#000000##FFFFFF
##B72C3D1.006.103.446.10
#FFFFFF6.101.0021.001.00
#0000003.4421.001.0021.00
##FFFFFF6.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#544F3D
Deuteranopia (green-blind)
#776D39
Tritanopia (blue-blind)
#C90034
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #b72c3d;
/* rgb */ color: rgb(183, 44, 61);
/* oklch */ color: oklch(51.8% 0.174 19.5);
Tailwind
colors: {
  custom: {
    50: '#d47172',
    500: '#b72c3d',
    950: '#000000',
  },
}
SCSS
$custom: #b72c3d;
$custom-light: #d47172;
$custom-dark: #000000;
JSON
{
  "hex": "#b72c3d",
  "rgb": {
    "r": 183,
    "g": 44,
    "b": 61
  },
  "hsl": {
    "h": 352.662,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51772,
    "c": 0.17441,
    "h": 19.5
  },
  "luminance": 0.12206
}

Semantic roles & 50–950 ramp

primary
#B72C3D
secondary
#76C8BE
accent
#E4D143
background
#FEF7F6
surface
#FCEDEC
border
#D5C8C7
text
#160808
muted
#847B7B

Preview Lab

Preview with #B72C3D

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

Preview Lab → · Contrast checker → · Palette generator →

#B72C3D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva