#B33221#B33221

#B33221 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.2% C 0.168 H 30.9°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX#B33221
RGBrgb(179, 50, 33)
HSLhsl(7, 69%, 42%)
HSVhsv(7, 82%, 70%)
CMYKcmyk(0%, 72.1%, 81.6%, 29.8%)
CIE-LABlab(41.18, 50.97, 40.29)
CIE-LCHlch(41.18, 64.97, 38.33°)
OKLaboklab(51.25% 0.1445 0.0864)
OKLCHoklch(51.25% 0.168 30.9)
XYZxyz(20.0079, 11.9778, 2.6970)
Luminance0.1197 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B33221 #21A2B3
analogous
#B32159 #B33221 #B37B21
triadic
#B33221 #21B332 #3221B3
tetradic
#B33221 #59B321 #21A2B3 #7B21B3
square
#B33221 #59B321 #21A2B3 #7B21B3
split-complementary
#B33221 #21B37B #2159B3
monochromatic
#4C150E #7F2417 #B33221 #DA4A37 #E4796B

Accessibility & contrast

On white

6.19
#B33221 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.40
#B33221 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33221
6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B33221#FFFFFF#000000##FFFFFF
##B332211.006.193.406.19
#FFFFFF6.191.0021.001.00
#0000003.4021.001.0021.00
##FFFFFF6.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#594F1E
Deuteranopia (green-blind)
#796B1B
Tritanopia (blue-blind)
#C5002F
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #b33221;
/* rgb */ color: rgb(179, 50, 33);
/* oklch */ color: oklch(51.2% 0.168 30.9);
Tailwind
colors: {
  custom: {
    50: '#d3735e',
    500: '#b33221',
    950: '#000000',
  },
}
SCSS
$custom: #b33221;
$custom-light: #d3735e;
$custom-dark: #000000;
JSON
{
  "hex": "#b33221",
  "rgb": {
    "r": 179,
    "g": 50,
    "b": 33
  },
  "hsl": {
    "h": 6.986,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51246,
    "c": 0.1684,
    "h": 30.9
  },
  "luminance": 0.11975
}

Semantic roles & 50–950 ramp

primary
#B33221
secondary
#66BECA
accent
#D7EC3C
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160904
muted
#847B79

Preview Lab

Preview with #B33221

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

Preview Lab → · Contrast checker → · Palette generator →

#B33221 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva