#B32521#B32521

#B32521 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.1% C 0.179 H 27.7°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX#B32521
RGBrgb(179, 37, 33)
HSLhsl(2, 69%, 42%)
HSVhsv(2, 82%, 70%)
CMYKcmyk(0%, 79.3%, 81.6%, 29.8%)
CIE-LABlab(39.61, 55.33, 38.76)
CIE-LCHlch(39.61, 67.55, 35.01°)
OKLaboklab(50.08% 0.1582 0.0831)
OKLCHoklch(50.08% 0.179 27.7)
XYZxyz(19.5289, 11.0198, 2.5373)
Luminance0.1102 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B32521 #21AFB3
analogous
#B32166 #B32521 #B36E21
triadic
#B32521 #21B325 #2521B3
tetradic
#B32521 #66B321 #21AFB3 #6E21B3
square
#B32521 #66B321 #21AFB3 #6E21B3
split-complementary
#B32521 #21B36E #2166B3
monochromatic
#4C100E #7F1A17 #B32521 #DA3C37 #E46E6B

Accessibility & contrast

On white

6.56
#B32521 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.20
#B32521 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B32521
6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B32521#FFFFFF#000000##FFFFFF
##B325211.006.563.206.56
#FFFFFF6.561.0021.001.00
#0000003.2021.001.0021.00
##FFFFFF6.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#524A1F
Deuteranopia (green-blind)
#75681A
Tritanopia (blue-blind)
#C60026
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #b32521;
/* rgb */ color: rgb(179, 37, 33);
/* oklch */ color: oklch(50.1% 0.179 27.7);
Tailwind
colors: {
  custom: {
    50: '#d36d5d',
    500: '#b32521',
    950: '#000000',
  },
}
SCSS
$custom: #b32521;
$custom-light: #d36d5d;
$custom-dark: #000000;
JSON
{
  "hex": "#b32521",
  "rgb": {
    "r": 179,
    "g": 37,
    "b": 33
  },
  "hsl": {
    "h": 1.644,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50078,
    "c": 0.17867,
    "h": 27.7
  },
  "luminance": 0.11017
}

Semantic roles & 50–950 ramp

primary
#B32521
secondary
#66C7CA
accent
#E7EC3C
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160804
muted
#847B79

Preview Lab

Preview with #B32521

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

Preview Lab → · Contrast checker → · Palette generator →

#B32521 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva