#AD321C#AD321C

#AD321C is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.1% C 0.163 H 32.5°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX#AD321C
RGBrgb(173, 50, 28)
HSLhsl(9, 72%, 39%)
HSVhsv(9, 84%, 68%)
CMYKcmyk(0%, 71.1%, 83.8%, 32.2%)
CIE-LABlab(40.00, 48.83, 41.34)
CIE-LCHlch(40.00, 63.97, 40.25°)
OKLaboklab(50.14% 0.1376 0.0875)
OKLCHoklch(50.14% 0.163 32.5)
XYZxyz(18.5860, 11.2521, 2.2916)
Luminance0.1125 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD321C #1C97AD
analogous
#AD1C4F #AD321C #AD7A1C
triadic
#AD321C #1CAD32 #321CAD
tetradic
#AD321C #4FAD1C #1C97AD #7A1CAD
square
#AD321C #4FAD1C #1C97AD #7A1CAD
split-complementary
#AD321C #1CAD7A #1C4FAD
monochromatic
#44140B #782313 #AD321C #DC452A #E5735E

Accessibility & contrast

On white

6.46
#AD321C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.25
#AD321C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD321C
6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD321C#FFFFFF#000000##FFFFFF
##AD321C1.006.463.256.46
#FFFFFF6.461.0021.001.00
#0000003.2521.001.0021.00
##FFFFFF6.461.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574D18
Deuteranopia (green-blind)
#756815
Tritanopia (blue-blind)
#BF002E
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #ad321c;
/* rgb */ color: rgb(173, 50, 28);
/* oklch */ color: oklch(50.1% 0.163 32.5);
Tailwind
colors: {
  custom: {
    50: '#cf725b',
    500: '#ad321c',
    950: '#000000',
  },
}
SCSS
$custom: #ad321c;
$custom-light: #cf725b;
$custom-dark: #000000;
JSON
{
  "hex": "#ad321c",
  "rgb": {
    "r": 173,
    "g": 50,
    "b": 28
  },
  "hsl": {
    "h": 9.103,
    "s": 72.139,
    "l": 39.412
  },
  "oklch": {
    "l": 0.50144,
    "c": 0.16306,
    "h": 32.5
  },
  "luminance": 0.11249
}

Semantic roles & 50–950 ramp

primary
#AD321C
secondary
#5CB9C9
accent
#D3EF39
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160804
muted
#847B79

Preview Lab

Preview with #AD321C

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

Preview Lab → · Contrast checker → · Palette generator →

#AD321C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva