#B72D2E#B72D2E

#B72D2E is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.6% C 0.175 H 25.5°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX#B72D2E
RGBrgb(183, 45, 46)
HSLhsl(360, 61%, 45%)
HSVhsv(360, 75%, 72%)
CMYKcmyk(0%, 75.4%, 74.9%, 28.2%)
CIE-LABlab(41.45, 54.48, 33.54)
CIE-LCHlch(41.45, 63.98, 31.62°)
OKLaboklab(51.63% 0.1578 0.0752)
OKLCHoklch(51.63% 0.175 25.5)
XYZxyz(20.9624, 12.1446, 3.8246)
Luminance0.1214 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B72D2E #2DB7B6
analogous
#B72D73 #B72D2E #B7712D
triadic
#B72D2E #2EB72D #2D2EB7
tetradic
#B72D2E #73B72D #2DB7B6 #712DB7
square
#B72D2E #73B72D #2DB7B6 #712DB7
split-complementary
#B72D2E #2DB771 #2D73B7
monochromatic
#551515 #862122 #B72D2E #D34E4F #DF7F80

Accessibility & contrast

On white

6.13
#B72D2E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.43
#B72D2E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72D2E
6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B72D2E#FFFFFF#000000##FFFFFF
##B72D2E1.006.133.436.13
#FFFFFF6.131.0021.001.00
#0000003.4321.001.0021.00
##FFFFFF6.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564F2C
Deuteranopia (green-blind)
#796D29
Tritanopia (blue-blind)
#CA002F
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #b72d2e;
/* rgb */ color: rgb(183, 45, 46);
/* oklch */ color: oklch(51.6% 0.175 25.5);
Tailwind
colors: {
  custom: {
    50: '#d57167',
    500: '#b72d2e',
    950: '#000000',
  },
}
SCSS
$custom: #b72d2e;
$custom-light: #d57167;
$custom-dark: #000000;
JSON
{
  "hex": "#b72d2e",
  "rgb": {
    "r": 183,
    "g": 45,
    "b": 46
  },
  "hsl": {
    "h": 359.565,
    "s": 60.526,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51626,
    "c": 0.17481,
    "h": 25.5
  },
  "luminance": 0.12141
}

Semantic roles & 50–950 ramp

primary
#B72D2E
secondary
#78C8C8
accent
#E4E344
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160806
muted
#847B7A

Preview Lab

Preview with #B72D2E

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

Preview Lab → · Contrast checker → · Palette generator →

#B72D2E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva