#B3321D#B3321D

#B3321D is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.2% C 0.169 H 31.9°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX#B3321D
RGBrgb(179, 50, 29)
HSLhsl(8, 72%, 41%)
HSVhsv(8, 84%, 70%)
CMYKcmyk(0%, 72.1%, 83.8%, 29.8%)
CIE-LABlab(41.15, 50.85, 42.30)
CIE-LCHlch(41.15, 66.14, 39.76°)
OKLaboklab(51.21% 0.1435 0.0894)
OKLCHoklch(51.21% 0.169 31.9)
XYZxyz(19.9552, 11.9567, 2.4193)
Luminance0.1195 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B3321D #1D9EB3
analogous
#B31D53 #B3321D #B37D1D
triadic
#B3321D #1DB332 #321DB3
tetradic
#B3321D #53B31D #1D9EB3 #7D1DB3
square
#B3321D #53B31D #1D9EB3 #7D1DB3
split-complementary
#B3321D #1DB37D #1D53B3
monochromatic
#4A150C #7E2314 #B3321D #DD4830 #E67764

Accessibility & contrast

On white

6.19
#B3321D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.39
#B3321D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3321D
6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B3321D#FFFFFF#000000##FFFFFF
##B3321D1.006.193.396.19
#FFFFFF6.191.0021.001.00
#0000003.3921.001.0021.00
##FFFFFF6.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#594F19
Deuteranopia (green-blind)
#796B16
Tritanopia (blue-blind)
#C5002F
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #b3321d;
/* rgb */ color: rgb(179, 50, 29);
/* oklch */ color: oklch(51.2% 0.169 31.9);
Tailwind
colors: {
  custom: {
    50: '#d3735c',
    500: '#b3321d',
    950: '#000000',
  },
}
SCSS
$custom: #b3321d;
$custom-light: #d3735c;
$custom-dark: #000000;
JSON
{
  "hex": "#b3321d",
  "rgb": {
    "r": 179,
    "g": 50,
    "b": 29
  },
  "hsl": {
    "h": 8.4,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.51211,
    "c": 0.16903,
    "h": 31.9
  },
  "luminance": 0.11954
}

Semantic roles & 50–950 ramp

primary
#B3321D
secondary
#61BCCB
accent
#D5EF39
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160904
muted
#847B79

Preview Lab

Preview with #B3321D

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

Preview Lab → · Contrast checker → · Palette generator →

#B3321D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva