#B3223D#B3223D

#B3223D is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.3% C 0.179 H 17.1°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX#B3223D
RGBrgb(179, 34, 61)
HSLhsl(349, 68%, 42%)
HSVhsv(349, 81%, 70%)
CMYKcmyk(0%, 81%, 65.9%, 29.8%)
CIE-LABlab(39.69, 57.37, 22.11)
CIE-LCHlch(39.69, 61.48, 21.07°)
OKLaboklab(50.26% 0.1708 0.0527)
OKLCHoklch(50.26% 0.179 17.1)
XYZxyz(20.0070, 11.0678, 5.4968)
Luminance0.1106 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B3223D #22B398
analogous
#B32285 #B3223D #B35022
triadic
#B3223D #3DB322 #223DB3
tetradic
#B3223D #85B322 #22B398 #5022B3
square
#B3223D #85B322 #22B398 #5022B3
split-complementary
#B3223D #22B350 #2285B3
monochromatic
#4C0E1A #80182B #B3223D #D93957 #E36C82

Accessibility & contrast

On white

6.54
#B3223D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.21
#B3223D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3223D
6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B3223D#FFFFFF#000000##FFFFFF
##B3223D1.006.543.216.54
#FFFFFF6.541.0021.001.00
#0000003.2121.001.0021.00
##FFFFFF6.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E4A3D
Deuteranopia (green-blind)
#726839
Tritanopia (blue-blind)
#C5002E
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #b3223d;
/* rgb */ color: rgb(179, 34, 61);
/* oklch */ color: oklch(50.3% 0.179 17.1);
Tailwind
colors: {
  custom: {
    50: '#d26d72',
    500: '#b3223d',
    950: '#000000',
  },
}
SCSS
$custom: #b3223d;
$custom-light: #d26d72;
$custom-dark: #000000;
JSON
{
  "hex": "#b3223d",
  "rgb": {
    "r": 179,
    "g": 34,
    "b": 61
  },
  "hsl": {
    "h": 348.828,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.5026,
    "c": 0.17877,
    "h": 17.1
  },
  "luminance": 0.11065
}

Semantic roles & 50–950 ramp

primary
#B3223D
secondary
#68C9B7
accent
#EBCB3D
background
#FDF7F6
surface
#FBEDEC
border
#D4C8C7
text
#160807
muted
#847B7A

Preview Lab

Preview with #B3223D

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

Preview Lab → · Contrast checker → · Palette generator →

#B3223D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva