#B32421#B32421

#B32421 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.0% C 0.179 H 27.5°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX#B32421
RGBrgb(179, 36, 33)
HSLhsl(1, 69%, 42%)
HSVhsv(1, 82%, 70%)
CMYKcmyk(0%, 79.9%, 81.6%, 29.8%)
CIE-LABlab(39.51, 55.62, 38.66)
CIE-LCHlch(39.51, 67.73, 34.80°)
OKLaboklab(50% 0.1591 0.0828)
OKLCHoklch(50% 0.179 27.5)
XYZxyz(19.4982, 10.9584, 2.5271)
Luminance0.1095 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B32421 #21B0B3
analogous
#B32167 #B32421 #B36D21
triadic
#B32421 #21B324 #2421B3
tetradic
#B32421 #67B321 #21B0B3 #6D21B3
square
#B32421 #67B321 #21B0B3 #6D21B3
split-complementary
#B32421 #21B36D #2167B3
monochromatic
#4C0F0E #7F1A17 #B32421 #DA3A37 #E46D6B

Accessibility & contrast

On white

6.58
#B32421 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.19
#B32421 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B32421
6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B32421#FFFFFF#000000##FFFFFF
##B324211.006.583.196.58
#FFFFFF6.581.0021.001.00
#0000003.1921.001.0021.00
##FFFFFF6.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#52491F
Deuteranopia (green-blind)
#75681A
Tritanopia (blue-blind)
#C60026
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #b32421;
/* rgb */ color: rgb(179, 36, 33);
/* oklch */ color: oklch(50.0% 0.179 27.5);
Tailwind
colors: {
  custom: {
    50: '#d36d5d',
    500: '#b32421',
    950: '#000000',
  },
}
SCSS
$custom: #b32421;
$custom-light: #d36d5d;
$custom-dark: #000000;
JSON
{
  "hex": "#b32421",
  "rgb": {
    "r": 179,
    "g": 36,
    "b": 33
  },
  "hsl": {
    "h": 1.233,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50001,
    "c": 0.17937,
    "h": 27.5
  },
  "luminance": 0.10955
}

Semantic roles & 50–950 ramp

primary
#B32421
secondary
#66C8CA
accent
#E8EC3C
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160804
muted
#847B79

Preview Lab

Preview with #B32421

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

Preview Lab → · Contrast checker → · Palette generator →

#B32421 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva