#AC2C28#AC2C28

#AC2C28 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.165 H 27.0°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX#AC2C28
RGBrgb(172, 44, 40)
HSLhsl(2, 62%, 42%)
HSVhsv(2, 77%, 67%)
CMYKcmyk(0%, 74.4%, 76.7%, 32.5%)
CIE-LABlab(39.12, 51.13, 33.87)
CIE-LCHlch(39.12, 61.33, 33.52°)
OKLaboklab(49.49% 0.1473 0.0752)
OKLCHoklch(49.49% 0.165 27)
XYZxyz(18.2991, 10.7281, 3.1143)
Luminance0.1072 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC2C28 #28A8AC
analogous
#AC2866 #AC2C28 #AC6E28
triadic
#AC2C28 #28AC2C #2C28AC
tetradic
#AC2C28 #66AC28 #28A8AC #6E28AC
square
#AC2C28 #66AC28 #28A8AC #6E28AC
split-complementary
#AC2C28 #28AC6E #2866AC
monochromatic
#491311 #7A1F1C #AC2C28 #D2433F #DE7471

Accessibility & contrast

On white

6.68
#AC2C28 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.15
#AC2C28 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2C28
6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC2C28#FFFFFF#000000##FFFFFF
##AC2C281.006.683.156.68
#FFFFFF6.681.0021.001.00
#0000003.1521.001.0021.00
##FFFFFF6.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#524A26
Deuteranopia (green-blind)
#726623
Tritanopia (blue-blind)
#BE002D
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #ac2c28;
/* rgb */ color: rgb(172, 44, 40);
/* oklch */ color: oklch(49.5% 0.165 27.0);
Tailwind
colors: {
  custom: {
    50: '#cd6f62',
    500: '#ac2c28',
    950: '#000000',
  },
}
SCSS
$custom: #ac2c28;
$custom-light: #cd6f62;
$custom-dark: #000000;
JSON
{
  "hex": "#ac2c28",
  "rgb": {
    "r": 172,
    "g": 44,
    "b": 40
  },
  "hsl": {
    "h": 1.818,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49486,
    "c": 0.16535,
    "h": 27
  },
  "luminance": 0.10725
}

Semantic roles & 50–950 ramp

primary
#AC2C28
secondary
#6BC2C5
accent
#E0E542
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150805
muted
#837B79

Preview Lab

Preview with #AC2C28

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

Preview Lab → · Contrast checker → · Palette generator →

#AC2C28 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva