#B3223F#B3223F

#B3223F is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.3% C 0.179 H 16.3°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX#B3223F
RGBrgb(179, 34, 63)
HSLhsl(348, 68%, 42%)
HSVhsv(348, 81%, 70%)
CMYKcmyk(0%, 81%, 64.8%, 29.8%)
CIE-LABlab(39.73, 57.48, 20.90)
CIE-LCHlch(39.73, 61.16, 19.98°)
OKLaboklab(50.3% 0.1716 0.0501)
OKLCHoklch(50.3% 0.179 16.3)
XYZxyz(20.0618, 11.0897, 5.7858)
Luminance0.1109 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B3223F #22B396
analogous
#B32288 #B3223F #B34E22
triadic
#B3223F #3FB322 #223FB3
tetradic
#B3223F #88B322 #22B396 #4E22B3
square
#B3223F #88B322 #22B396 #4E22B3
split-complementary
#B3223F #22B34E #2288B3
monochromatic
#4C0E1B #80182D #B3223F #D93959 #E36C84

Accessibility & contrast

On white

6.53
#B3223F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.22
#B3223F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3223F
6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B3223F#FFFFFF#000000##FFFFFF
##B3223F1.006.533.226.53
#FFFFFF6.531.0021.001.00
#0000003.2221.001.0021.00
##FFFFFF6.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E4A3F
Deuteranopia (green-blind)
#72683B
Tritanopia (blue-blind)
#C5002F
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #b3223f;
/* rgb */ color: rgb(179, 34, 63);
/* oklch */ color: oklch(50.3% 0.179 16.3);
Tailwind
colors: {
  custom: {
    50: '#d26d73',
    500: '#b3223f',
    950: '#000000',
  },
}
SCSS
$custom: #b3223f;
$custom-light: #d26d73;
$custom-dark: #000000;
JSON
{
  "hex": "#b3223f",
  "rgb": {
    "r": 179,
    "g": 34,
    "b": 63
  },
  "hsl": {
    "h": 348,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50299,
    "c": 0.17879,
    "h": 16.3
  },
  "luminance": 0.11087
}

Semantic roles & 50–950 ramp

primary
#B3223F
secondary
#68C9B6
accent
#EBC83D
background
#FDF7F7
surface
#FBEDED
border
#D4C8C8
text
#150808
muted
#837B7B

Preview Lab

Preview with #B3223F

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

Preview Lab → · Contrast checker → · Palette generator →

#B3223F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva