#AC2820#AC2820

#AC2820 is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.0% C 0.170 H 28.6°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX#AC2820
RGBrgb(172, 40, 32)
HSLhsl(3, 69%, 40%)
HSVhsv(3, 81%, 67%)
CMYKcmyk(0%, 76.7%, 81.4%, 32.5%)
CIE-LABlab(38.54, 52.22, 37.78)
CIE-LCHlch(38.54, 64.45, 35.89°)
OKLaboklab(49.03% 0.149 0.0812)
OKLCHoklch(49.03% 0.17 28.6)
XYZxyz(18.0349, 10.3954, 2.4231)
Luminance0.1039 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC2820 #20A4AC
analogous
#AC205E #AC2820 #AC6E20
triadic
#AC2820 #20AC28 #2820AC
tetradic
#AC2820 #5EAC20 #20A4AC #6E20AC
square
#AC2820 #5EAC20 #20A4AC #6E20AC
split-complementary
#AC2820 #20AC6E #205EAC
monochromatic
#45100D #781C16 #AC2820 #D93A31 #E26B64

Accessibility & contrast

On white

6.82
#AC2820 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.08
#AC2820 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2820
6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC2820#FFFFFF#000000##FFFFFF
##AC28201.006.823.086.82
#FFFFFF6.821.0021.001.00
#0000003.0821.001.0021.00
##FFFFFF6.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#51481D
Deuteranopia (green-blind)
#71651A
Tritanopia (blue-blind)
#BE0028
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #ac2820;
/* rgb */ color: rgb(172, 40, 32);
/* oklch */ color: oklch(49.0% 0.170 28.6);
Tailwind
colors: {
  custom: {
    50: '#ce6d5d',
    500: '#ac2820',
    950: '#000000',
  },
}
SCSS
$custom: #ac2820;
$custom-light: #ce6d5d;
$custom-dark: #000000;
JSON
{
  "hex": "#ac2820",
  "rgb": {
    "r": 172,
    "g": 40,
    "b": 32
  },
  "hsl": {
    "h": 3.429,
    "s": 68.627,
    "l": 40
  },
  "oklch": {
    "l": 0.4903,
    "c": 0.16973,
    "h": 28.6
  },
  "luminance": 0.10393
}

Semantic roles & 50–950 ramp

primary
#AC2820
secondary
#60C1C7
accent
#E1EB3C
background
#FDF6F5
surface
#FBECE9
border
#D4C7C5
text
#160804
muted
#847A79

Preview Lab

Preview with #AC2820

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

Preview Lab → · Contrast checker → · Palette generator →

#AC2820 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva