#B22623#B22623

#B22623 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.0% C 0.177 H 27.3°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX#B22623
RGBrgb(178, 38, 35)
HSLhsl(1, 67%, 42%)
HSVhsv(1, 80%, 70%)
CMYKcmyk(0%, 78.7%, 80.3%, 30.2%)
CIE-LABlab(39.54, 54.79, 37.52)
CIE-LCHlch(39.54, 66.40, 34.40°)
OKLaboklab(49.99% 0.157 0.0811)
OKLCHoklch(49.99% 0.177 27.3)
XYZxyz(19.3589, 10.9757, 2.6890)
Luminance0.1097 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B22623 #23AFB2
analogous
#B22368 #B22623 #B26E23
triadic
#B22623 #23B226 #2623B2
tetradic
#B22623 #68B223 #23AFB2 #6E23B2
square
#B22623 #68B223 #23AFB2 #6E23B2
split-complementary
#B22623 #23B26E #2368B2
monochromatic
#4C100F #7F1B19 #B22623 #D83D3A #E2706D

Accessibility & contrast

On white

6.57
#B22623 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.19
#B22623 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22623
6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B22623#FFFFFF#000000##FFFFFF
##B226231.006.573.196.57
#FFFFFF6.571.0021.001.00
#0000003.1921.001.0021.00
##FFFFFF6.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#524A21
Deuteranopia (green-blind)
#75681C
Tritanopia (blue-blind)
#C40027
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #b22623;
/* rgb */ color: rgb(178, 38, 35);
/* oklch */ color: oklch(50.0% 0.177 27.3);
Tailwind
colors: {
  custom: {
    50: '#d26d5f',
    500: '#b22623',
    950: '#000000',
  },
}
SCSS
$custom: #b22623;
$custom-light: #d26d5f;
$custom-dark: #000000;
JSON
{
  "hex": "#b22623",
  "rgb": {
    "r": 178,
    "g": 38,
    "b": 35
  },
  "hsl": {
    "h": 1.259,
    "s": 67.136,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49993,
    "c": 0.17673,
    "h": 27.3
  },
  "luminance": 0.10973
}

Semantic roles & 50–950 ramp

primary
#B22623
secondary
#68C7C9
accent
#E6EA3E
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160804
muted
#847B79

Preview Lab

Preview with #B22623

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

Preview Lab → · Contrast checker → · Palette generator →

#B22623 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva