#B3321A#B3321A

#B3321A is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.169 H 32.7°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX#B3321A
RGBrgb(179, 50, 26)
HSLhsl(9, 75%, 40%)
HSVhsv(9, 85%, 70%)
CMYKcmyk(0%, 72.1%, 85.5%, 29.8%)
CIE-LABlab(41.12, 50.77, 43.74)
CIE-LCHlch(41.12, 67.02, 40.75°)
OKLaboklab(51.19% 0.1427 0.0915)
OKLCHoklch(51.19% 0.169 32.7)
XYZxyz(19.9199, 11.9426, 2.2334)
Luminance0.1194 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B3321A #1A9BB3
analogous
#B31A4E #B3321A #B37F1A
triadic
#B3321A #1AB332 #321AB3
tetradic
#B3321A #4EB31A #1A9BB3 #7F1AB3
square
#B3321A #4EB31A #1A9BB3 #7F1AB3
split-complementary
#B3321A #1AB37F #1A4EB3
monochromatic
#48140A #7E2312 #B3321A #E0472A #E87560

Accessibility & contrast

On white

6.20
#B3321A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.39
#B3321A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3321A
6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B3321A#FFFFFF#000000##FFFFFF
##B3321A1.006.203.396.20
#FFFFFF6.201.0021.001.00
#0000003.3921.001.0021.00
##FFFFFF6.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#594F15
Deuteranopia (green-blind)
#796B12
Tritanopia (blue-blind)
#C6002E
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #b3321a;
/* rgb */ color: rgb(179, 50, 26);
/* oklch */ color: oklch(51.2% 0.169 32.7);
Tailwind
colors: {
  custom: {
    50: '#d3735a',
    500: '#b3321a',
    950: '#000000',
  },
}
SCSS
$custom: #b3321a;
$custom-light: #d3735a;
$custom-dark: #000000;
JSON
{
  "hex": "#b3321a",
  "rgb": {
    "r": 179,
    "g": 50,
    "b": 26
  },
  "hsl": {
    "h": 9.412,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.51187,
    "c": 0.16949,
    "h": 32.7
  },
  "luminance": 0.11939
}

Semantic roles & 50–950 ramp

primary
#B3321A
secondary
#5DBBCC
accent
#D4F137
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160804
muted
#847B79

Preview Lab

Preview with #B3321A

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

Preview Lab → · Contrast checker → · Palette generator →

#B3321A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva