#B32721#B32721

#B32721 is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.2% C 0.177 H 28.1°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX#B32721
RGBrgb(179, 39, 33)
HSLhsl(2, 69%, 42%)
HSVhsv(2, 82%, 70%)
CMYKcmyk(0%, 78.2%, 81.6%, 29.8%)
CIE-LABlab(39.83, 54.72, 38.97)
CIE-LCHlch(39.83, 67.18, 35.46°)
OKLaboklab(50.24% 0.1563 0.0835)
OKLCHoklch(50.24% 0.177 28.1)
XYZxyz(19.5928, 11.1477, 2.5586)
Luminance0.1114 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B32721 #21ADB3
analogous
#B32164 #B32721 #B37021
triadic
#B32721 #21B327 #2721B3
tetradic
#B32721 #64B321 #21ADB3 #7021B3
square
#B32721 #64B321 #21ADB3 #7021B3
split-complementary
#B32721 #21B370 #2164B3
monochromatic
#4C100E #7F1C17 #B32721 #DA3E37 #E4706B

Accessibility & contrast

On white

6.50
#B32721 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.23
#B32721 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B32721
6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B32721#FFFFFF#000000##FFFFFF
##B327211.006.503.236.50
#FFFFFF6.501.0021.001.00
#0000003.2321.001.0021.00
##FFFFFF6.501.0021.001.00

Color blindness preview

Protanopia (red-blind)
#534A1E
Deuteranopia (green-blind)
#76691A
Tritanopia (blue-blind)
#C60028
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #b32721;
/* rgb */ color: rgb(179, 39, 33);
/* oklch */ color: oklch(50.2% 0.177 28.1);
Tailwind
colors: {
  custom: {
    50: '#d36e5e',
    500: '#b32721',
    950: '#000000',
  },
}
SCSS
$custom: #b32721;
$custom-light: #d36e5e;
$custom-dark: #000000;
JSON
{
  "hex": "#b32721",
  "rgb": {
    "r": 179,
    "g": 39,
    "b": 33
  },
  "hsl": {
    "h": 2.466,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50237,
    "c": 0.17721,
    "h": 28.1
  },
  "luminance": 0.11145
}

Semantic roles & 50–950 ramp

primary
#B32721
secondary
#66C6CA
accent
#E4EC3C
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160804
muted
#847B79

Preview Lab

Preview with #B32721

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

Preview Lab → · Contrast checker → · Palette generator →

#B32721 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva