#AC242B#AC242B

#AC242B is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.8% C 0.172 H 24.0°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX#AC242B
RGBrgb(172, 36, 43)
HSLhsl(357, 65%, 41%)
HSVhsv(357, 79%, 67%)
CMYKcmyk(0%, 79.1%, 75%, 32.5%)
CIE-LABlab(38.22, 53.88, 31.10)
CIE-LCHlch(38.22, 62.21, 29.99°)
OKLaboklab(48.83% 0.1566 0.0699)
OKLCHoklch(48.83% 0.172 24)
XYZxyz(18.0823, 10.2097, 3.3036)
Luminance0.1021 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC242B #24ACA5
analogous
#AC246F #AC242B #AC6124
triadic
#AC242B #2BAC24 #242BAC
tetradic
#AC242B #6FAC24 #24ACA5 #6124AC
square
#AC242B #6FAC24 #24ACA5 #6124AC
split-complementary
#AC242B #24AC61 #246FAC
monochromatic
#470F12 #79191E #AC242B #D53840 #E06A71

Accessibility & contrast

On white

6.90
#AC242B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.04
#AC242B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC242B
6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC242B#FFFFFF#000000##FFFFFF
##AC242B1.006.903.046.90
#FFFFFF6.901.0021.001.00
#0000003.0421.001.0021.00
##FFFFFF6.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E472A
Deuteranopia (green-blind)
#706426
Tritanopia (blue-blind)
#BE0028
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #ac242b;
/* rgb */ color: rgb(172, 36, 43);
/* oklch */ color: oklch(48.8% 0.172 24.0);
Tailwind
colors: {
  custom: {
    50: '#cd6c64',
    500: '#ac242b',
    950: '#000000',
  },
}
SCSS
$custom: #ac242b;
$custom-light: #cd6c64;
$custom-dark: #000000;
JSON
{
  "hex": "#ac242b",
  "rgb": {
    "r": 172,
    "g": 36,
    "b": 43
  },
  "hsl": {
    "h": 356.912,
    "s": 65.385,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48826,
    "c": 0.17151,
    "h": 24
  },
  "luminance": 0.10207
}

Semantic roles & 50–950 ramp

primary
#AC242B
secondary
#66C6C1
accent
#E8E03F
background
#FDF6F6
surface
#FBECEB
border
#D4C7C6
text
#150805
muted
#837B7A

Preview Lab

Preview with #AC242B

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

Preview Lab → · Contrast checker → · Palette generator →

#AC242B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva