#B22933#B22933

#B22933 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.4% C 0.173 H 22.5°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX#B22933
RGBrgb(178, 41, 51)
HSLhsl(356, 63%, 43%)
HSVhsv(356, 77%, 70%)
CMYKcmyk(0%, 77%, 71.3%, 30.2%)
CIE-LABlab(40.07, 54.49, 28.72)
CIE-LCHlch(40.07, 61.59, 27.79°)
OKLaboklab(50.45% 0.1596 0.066)
OKLCHoklch(50.45% 0.173 22.5)
XYZxyz(19.7528, 11.2929, 4.2710)
Luminance0.1129 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B22933 #29B2A8
analogous
#B22978 #B22933 #B26329
triadic
#B22933 #33B229 #2933B2
tetradic
#B22933 #78B229 #29B2A8 #6329B2
square
#B22933 #78B229 #29B2A8 #6329B2
split-complementary
#B22933 #29B263 #2978B2
monochromatic
#4F1216 #801E25 #B22933 #D4444F #DF767E

Accessibility & contrast

On white

6.45
#B22933 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.26
#B22933 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22933
6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B22933#FFFFFF#000000##FFFFFF
##B229331.006.453.266.45
#FFFFFF6.451.0021.001.00
#0000003.2621.001.0021.00
##FFFFFF6.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#524C32
Deuteranopia (green-blind)
#74692E
Tritanopia (blue-blind)
#C4002E
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #b22933;
/* rgb */ color: rgb(178, 41, 51);
/* oklch */ color: oklch(50.4% 0.173 22.5);
Tailwind
colors: {
  custom: {
    50: '#d16f6a',
    500: '#b22933',
    950: '#000000',
  },
}
SCSS
$custom: #b22933;
$custom-light: #d16f6a;
$custom-dark: #000000;
JSON
{
  "hex": "#b22933",
  "rgb": {
    "r": 178,
    "g": 41,
    "b": 51
  },
  "hsl": {
    "h": 355.62,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.5045,
    "c": 0.17267,
    "h": 22.5
  },
  "luminance": 0.1129
}

Semantic roles & 50–950 ramp

primary
#B22933
secondary
#70C7C1
accent
#E6DA42
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160806
muted
#847B7A

Preview Lab

Preview with #B22933

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

Preview Lab → · Contrast checker → · Palette generator →

#B22933 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva