#AC2A28#AC2A28

#AC2A28 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.3% C 0.167 H 26.5°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX#AC2A28
RGBrgb(172, 42, 40)
HSLhsl(1, 62%, 42%)
HSVhsv(1, 77%, 67%)
CMYKcmyk(0%, 75.6%, 76.7%, 32.5%)
CIE-LABlab(38.87, 51.83, 33.60)
CIE-LCHlch(38.87, 61.77, 32.95°)
OKLaboklab(49.3% 0.1495 0.0746)
OKLCHoklch(49.3% 0.167 26.5)
XYZxyz(18.2264, 10.5826, 3.0900)
Luminance0.1058 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC2A28 #28AAAC
analogous
#AC2868 #AC2A28 #AC6C28
triadic
#AC2A28 #28AC2A #2A28AC
tetradic
#AC2A28 #68AC28 #28AAAC #6C28AC
square
#AC2A28 #68AC28 #28AAAC #6C28AC
split-complementary
#AC2A28 #28AC6C #2868AC
monochromatic
#491211 #7A1E1C #AC2A28 #D2413F #DE7271

Accessibility & contrast

On white

6.74
#AC2A28 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.12
#AC2A28 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2A28
6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC2A28#FFFFFF#000000##FFFFFF
##AC2A281.006.743.126.74
#FFFFFF6.741.0021.001.00
#0000003.1221.001.0021.00
##FFFFFF6.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#514926
Deuteranopia (green-blind)
#716623
Tritanopia (blue-blind)
#BE002B
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #ac2a28;
/* rgb */ color: rgb(172, 42, 40);
/* oklch */ color: oklch(49.3% 0.167 26.5);
Tailwind
colors: {
  custom: {
    50: '#cd6e62',
    500: '#ac2a28',
    950: '#000000',
  },
}
SCSS
$custom: #ac2a28;
$custom-light: #cd6e62;
$custom-dark: #000000;
JSON
{
  "hex": "#ac2a28",
  "rgb": {
    "r": 172,
    "g": 42,
    "b": 40
  },
  "hsl": {
    "h": 0.909,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.493,
    "c": 0.16704,
    "h": 26.5
  },
  "luminance": 0.1058
}

Semantic roles & 50–950 ramp

primary
#AC2A28
secondary
#6BC3C5
accent
#E3E542
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150805
muted
#837B79

Preview Lab

Preview with #AC2A28

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

Preview Lab → · Contrast checker → · Palette generator →

#AC2A28 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva