#AC2221#AC2221

#AC2221 is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.5% C 0.174 H 27.0°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX#AC2221
RGBrgb(172, 34, 33)
HSLhsl(0, 68%, 40%)
HSVhsv(0, 81%, 67%)
CMYKcmyk(0%, 80.2%, 80.8%, 32.5%)
CIE-LABlab(37.89, 54.10, 36.58)
CIE-LCHlch(37.89, 65.31, 34.06°)
OKLaboklab(48.55% 0.1552 0.0789)
OKLCHoklch(48.55% 0.174 27)
XYZxyz(17.8620, 10.0274, 2.4335)
Luminance0.1003 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC2221 #21ABAC
analogous
#AC2165 #AC2221 #AC6821
triadic
#AC2221 #21AC22 #2221AC
tetradic
#AC2221 #65AC21 #21ABAC #6821AC
square
#AC2221 #65AC21 #21ABAC #6821AC
split-complementary
#AC2221 #21AC68 #2165AC
monochromatic
#450E0D #791817 #AC2221 #D83432 #E26766

Accessibility & contrast

On white

6.99
#AC2221 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.01
#AC2221 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2221
6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC2221#FFFFFF#000000##FFFFFF
##AC22211.006.993.016.99
#FFFFFF6.991.0021.001.00
#0000003.0121.001.0021.00
##FFFFFF6.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E461F
Deuteranopia (green-blind)
#70641A
Tritanopia (blue-blind)
#BE0024
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #ac2221;
/* rgb */ color: rgb(172, 34, 33);
/* oklch */ color: oklch(48.5% 0.174 27.0);
Tailwind
colors: {
  custom: {
    50: '#ce6b5d',
    500: '#ac2221',
    950: '#000000',
  },
}
SCSS
$custom: #ac2221;
$custom-light: #ce6b5d;
$custom-dark: #000000;
JSON
{
  "hex": "#ac2221",
  "rgb": {
    "r": 172,
    "g": 34,
    "b": 33
  },
  "hsl": {
    "h": 0.432,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.48549,
    "c": 0.17408,
    "h": 27
  },
  "luminance": 0.10025
}

Semantic roles & 50–950 ramp

primary
#AC2221
secondary
#62C6C7
accent
#E9EB3D
background
#FEF6F5
surface
#FCECE9
border
#D5C7C5
text
#160704
muted
#847A79

Preview Lab

Preview with #AC2221

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

Preview Lab → · Contrast checker → · Palette generator →

#AC2221 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva