#B23736#B23736

#B23736 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.160 H 25.0°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX#B23736
RGBrgb(178, 55, 54)
HSLhsl(0, 53%, 45%)
HSVhsv(0, 70%, 70%)
CMYKcmyk(0%, 69.1%, 69.7%, 30.2%)
CIE-LABlab(41.95, 49.56, 29.15)
CIE-LCHlch(41.95, 57.50, 30.47°)
OKLaboklab(51.86% 0.1446 0.0675)
OKLCHoklch(51.86% 0.16 25)
XYZxyz(20.3943, 12.4667, 4.8217)
Luminance0.1246 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B23736 #36B1B2
analogous
#B23673 #B23736 #B27536
triadic
#B23736 #36B237 #3736B2
tetradic
#B23736 #73B236 #36B1B2 #7536B2
square
#B23736 #73B236 #36B1B2 #7536B2
split-complementary
#B23736 #36B275 #3673B2
monochromatic
#541A1A #832828 #B23736 #CD5A59 #DB8888

Accessibility & contrast

On white

6.01
#B23736 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.49
#B23736 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23736
6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B23736#FFFFFF#000000##FFFFFF
##B237361.006.013.496.01
#FFFFFF6.011.0021.001.00
#0000003.4921.001.0021.00
##FFFFFF6.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#595235
Deuteranopia (green-blind)
#786D32
Tritanopia (blue-blind)
#C41238
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b23736;
/* rgb */ color: rgb(178, 55, 54);
/* oklch */ color: oklch(51.9% 0.160 25.0);
Tailwind
colors: {
  custom: {
    50: '#d1756d',
    500: '#b23736',
    950: '#000000',
  },
}
SCSS
$custom: #b23736;
$custom-light: #d1756d;
$custom-dark: #000000;
JSON
{
  "hex": "#b23736",
  "rgb": {
    "r": 178,
    "g": 55,
    "b": 54
  },
  "hsl": {
    "h": 0.484,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51864,
    "c": 0.15954,
    "h": 25
  },
  "luminance": 0.12464
}

Semantic roles & 50–950 ramp

primary
#B23736
secondary
#7FC4C5
accent
#DCDD4B
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150907
muted
#837B7A

Preview Lab

Preview with #B23736

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

Preview Lab → · Contrast checker → · Palette generator →

#B23736 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva