#AC2321#AC2321

#AC2321 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.6% C 0.173 H 27.2°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX#AC2321
RGBrgb(172, 35, 33)
HSLhsl(1, 68%, 40%)
HSVhsv(1, 81%, 67%)
CMYKcmyk(0%, 79.7%, 80.8%, 32.5%)
CIE-LABlab(38.00, 53.81, 36.68)
CIE-LCHlch(38.00, 65.13, 34.28°)
OKLaboklab(48.63% 0.1542 0.0792)
OKLCHoklch(48.63% 0.173 27.2)
XYZxyz(17.8910, 10.0854, 2.4432)
Luminance0.1008 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC2321 #21AAAC
analogous
#AC2165 #AC2321 #AC6821
triadic
#AC2321 #21AC23 #2321AC
tetradic
#AC2321 #65AC21 #21AAAC #6821AC
square
#AC2321 #65AC21 #21AAAC #6821AC
split-complementary
#AC2321 #21AC68 #2165AC
monochromatic
#450E0D #791917 #AC2321 #D83532 #E26866

Accessibility & contrast

On white

6.96
#AC2321 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.02
#AC2321 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2321
6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC2321#FFFFFF#000000##FFFFFF
##AC23211.006.963.026.96
#FFFFFF6.961.0021.001.00
#0000003.0221.001.0021.00
##FFFFFF6.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F461F
Deuteranopia (green-blind)
#70641A
Tritanopia (blue-blind)
#BE0025
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #ac2321;
/* rgb */ color: rgb(172, 35, 33);
/* oklch */ color: oklch(48.6% 0.173 27.2);
Tailwind
colors: {
  custom: {
    50: '#ce6b5d',
    500: '#ac2321',
    950: '#000000',
  },
}
SCSS
$custom: #ac2321;
$custom-light: #ce6b5d;
$custom-dark: #000000;
JSON
{
  "hex": "#ac2321",
  "rgb": {
    "r": 172,
    "g": 35,
    "b": 33
  },
  "hsl": {
    "h": 0.863,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.48626,
    "c": 0.17337,
    "h": 27.2
  },
  "luminance": 0.10083
}

Semantic roles & 50–950 ramp

primary
#AC2321
secondary
#62C6C7
accent
#E8EB3D
background
#FEF6F5
surface
#FCECE9
border
#D5C7C5
text
#160704
muted
#847A79

Preview Lab

Preview with #AC2321

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

Preview Lab → · Contrast checker → · Palette generator →

#AC2321 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva