#B33328#B33328

#B33328 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.166 H 29.0°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX#B33328
RGBrgb(179, 51, 40)
HSLhsl(5, 63%, 43%)
HSVhsv(5, 78%, 70%)
CMYKcmyk(0%, 71.5%, 77.7%, 29.8%)
CIE-LABlab(41.39, 50.83, 36.70)
CIE-LCHlch(41.39, 62.69, 35.83°)
OKLaboklab(51.42% 0.1455 0.0808)
OKLCHoklch(51.42% 0.166 29)
XYZxyz(20.1596, 12.1076, 3.2826)
Luminance0.1211 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B33328 #28A8B3
analogous
#B32863 #B33328 #B37828
triadic
#B33328 #28B333 #3328B3
tetradic
#B33328 #63B328 #28A8B3 #7828B3
square
#B33328 #63B328 #28A8B3 #7828B3
split-complementary
#B33328 #28B378 #2863B3
monochromatic
#4F1612 #81251D #B33328 #D54F43 #E07E75

Accessibility & contrast

On white

6.14
#B33328 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.42
#B33328 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33328
6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B33328#FFFFFF#000000##FFFFFF
##B333281.006.143.426.14
#FFFFFF6.141.0021.001.00
#0000003.4221.001.0021.00
##FFFFFF6.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#595026
Deuteranopia (green-blind)
#786C23
Tritanopia (blue-blind)
#C50032
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #b33328;
/* rgb */ color: rgb(179, 51, 40);
/* oklch */ color: oklch(51.4% 0.166 29.0);
Tailwind
colors: {
  custom: {
    50: '#d27363',
    500: '#b33328',
    950: '#000000',
  },
}
SCSS
$custom: #b33328;
$custom-light: #d27363;
$custom-dark: #000000;
JSON
{
  "hex": "#b33328",
  "rgb": {
    "r": 179,
    "g": 51,
    "b": 40
  },
  "hsl": {
    "h": 4.748,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.51422,
    "c": 0.16642,
    "h": 29
  },
  "luminance": 0.12105
}

Semantic roles & 50–950 ramp

primary
#B33328
secondary
#6FC1C8
accent
#D9E641
background
#FEF7F5
surface
#FCEDEA
border
#D5C8C6
text
#160905
muted
#847B79

Preview Lab

Preview with #B33328

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

Preview Lab → · Contrast checker → · Palette generator →

#B33328 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva