#B72C28#B72C28

#B72C28 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.5% C 0.176 H 27.2°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX#B72C28
RGBrgb(183, 44, 40)
HSLhsl(2, 64%, 44%)
HSVhsv(2, 78%, 72%)
CMYKcmyk(0%, 76%, 78.1%, 28.2%)
CIE-LABlab(41.26, 54.59, 36.79)
CIE-LCHlch(41.26, 65.83, 33.98°)
OKLaboklab(51.46% 0.1568 0.0807)
OKLCHoklch(51.46% 0.176 27.2)
XYZxyz(20.8146, 12.0251, 3.2322)
Luminance0.1202 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B72C28 #28B3B7
analogous
#B7286B #B72C28 #B77328
triadic
#B72C28 #28B72C #2C28B7
tetradic
#B72C28 #6BB728 #28B3B7 #7328B7
square
#B72C28 #6BB728 #28B3B7 #7328B7
split-complementary
#B72C28 #28B773 #286BB7
monochromatic
#531412 #85201D #B72C28 #D64A46 #E17B78

Accessibility & contrast

On white

6.17
#B72C28 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.40
#B72C28 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72C28
6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B72C28#FFFFFF#000000##FFFFFF
##B72C281.006.173.406.17
#FFFFFF6.171.0021.001.00
#0000003.4021.001.0021.00
##FFFFFF6.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574E26
Deuteranopia (green-blind)
#796C22
Tritanopia (blue-blind)
#CA002D
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #b72c28;
/* rgb */ color: rgb(183, 44, 40);
/* oklch */ color: oklch(51.5% 0.176 27.2);
Tailwind
colors: {
  custom: {
    50: '#d67163',
    500: '#b72c28',
    950: '#000000',
  },
}
SCSS
$custom: #b72c28;
$custom-light: #d67163;
$custom-dark: #000000;
JSON
{
  "hex": "#b72c28",
  "rgb": {
    "r": 183,
    "g": 44,
    "b": 40
  },
  "hsl": {
    "h": 1.678,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51463,
    "c": 0.17637,
    "h": 27.2
  },
  "luminance": 0.12022
}

Semantic roles & 50–950 ramp

primary
#B72C28
secondary
#72C7C9
accent
#E2E741
background
#FEF7F5
surface
#FDEDEA
border
#D5C8C6
text
#160805
muted
#847B79

Preview Lab

Preview with #B72C28

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

Preview Lab → · Contrast checker → · Palette generator →

#B72C28 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva