#AC2721#AC2721

#AC2721 is a mid, vivid red. Relative luminance 0.103; OKLCH L 49.0% C 0.170 H 28.1°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX#AC2721
RGBrgb(172, 39, 33)
HSLhsl(3, 68%, 40%)
HSVhsv(3, 81%, 67%)
CMYKcmyk(0%, 77.3%, 80.8%, 32.5%)
CIE-LABlab(38.44, 52.58, 37.13)
CIE-LCHlch(38.44, 64.36, 35.23°)
OKLaboklab(48.95% 0.1504 0.0801)
OKLCHoklch(48.95% 0.17 28.1)
XYZxyz(18.0155, 10.3344, 2.4847)
Luminance0.1033 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC2721 #21A6AC
analogous
#AC2160 #AC2721 #AC6C21
triadic
#AC2721 #21AC27 #2721AC
tetradic
#AC2721 #60AC21 #21A6AC #6C21AC
square
#AC2721 #60AC21 #21A6AC #6C21AC
split-complementary
#AC2721 #21AC6C #2160AC
monochromatic
#45100D #791B17 #AC2721 #D83A32 #E26B66

Accessibility & contrast

On white

6.85
#AC2721 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.07
#AC2721 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2721
6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC2721#FFFFFF#000000##FFFFFF
##AC27211.006.853.076.85
#FFFFFF6.851.0021.001.00
#0000003.0721.001.0021.00
##FFFFFF6.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#50481F
Deuteranopia (green-blind)
#71651B
Tritanopia (blue-blind)
#BE0027
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #ac2721;
/* rgb */ color: rgb(172, 39, 33);
/* oklch */ color: oklch(49.0% 0.170 28.1);
Tailwind
colors: {
  custom: {
    50: '#ce6d5d',
    500: '#ac2721',
    950: '#000000',
  },
}
SCSS
$custom: #ac2721;
$custom-light: #ce6d5d;
$custom-dark: #000000;
JSON
{
  "hex": "#ac2721",
  "rgb": {
    "r": 172,
    "g": 39,
    "b": 33
  },
  "hsl": {
    "h": 2.59,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.48953,
    "c": 0.17037,
    "h": 28.1
  },
  "luminance": 0.10331
}

Semantic roles & 50–950 ramp

primary
#AC2721
secondary
#62C3C7
accent
#E3EB3D
background
#FDF6F5
surface
#FBECE9
border
#D4C7C5
text
#160804
muted
#847A79

Preview Lab

Preview with #AC2721

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

Preview Lab → · Contrast checker → · Palette generator →

#AC2721 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva