#AC3A28#AC3A28

#AC3A28 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.0% C 0.153 H 31.6°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX#AC3A28
RGBrgb(172, 58, 40)
HSLhsl(8, 62%, 42%)
HSVhsv(8, 77%, 67%)
CMYKcmyk(0%, 66.3%, 76.7%, 32.5%)
CIE-LABlab(41.14, 45.60, 36.05)
CIE-LCHlch(41.14, 58.13, 38.33°)
OKLaboklab(51% 0.1299 0.0799)
OKLCHoklch(51% 0.153 31.6)
XYZxyz(18.9114, 11.9527, 3.3184)
Luminance0.1195 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC3A28 #289AAC
analogous
#AC2858 #AC3A28 #AC7C28
triadic
#AC3A28 #28AC3A #3A28AC
tetradic
#AC3A28 #58AC28 #289AAC #7C28AC
square
#AC3A28 #58AC28 #289AAC #7C28AC
split-complementary
#AC3A28 #28AC7C #2858AC
monochromatic
#491911 #7A291C #AC3A28 #D2533F #DE7F71

Accessibility & contrast

On white

6.19
#AC3A28 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.39
#AC3A28 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3A28
6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC3A28#FFFFFF#000000##FFFFFF
##AC3A281.006.193.396.19
#FFFFFF6.191.0021.001.00
#0000003.3921.001.0021.00
##FFFFFF6.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A5125
Deuteranopia (green-blind)
#776A24
Tritanopia (blue-blind)
#BD1A37
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #ac3a28;
/* rgb */ color: rgb(172, 58, 40);
/* oklch */ color: oklch(51.0% 0.153 31.6);
Tailwind
colors: {
  custom: {
    50: '#cd7663',
    500: '#ac3a28',
    950: '#000000',
  },
}
SCSS
$custom: #ac3a28;
$custom-light: #cd7663;
$custom-dark: #000000;
JSON
{
  "hex": "#ac3a28",
  "rgb": {
    "r": 172,
    "g": 58,
    "b": 40
  },
  "hsl": {
    "h": 8.182,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51,
    "c": 0.15254,
    "h": 31.6
  },
  "luminance": 0.1195
}

Semantic roles & 50–950 ramp

primary
#AC3A28
secondary
#6BB9C5
accent
#CFE542
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150905
muted
#837B79

Preview Lab

Preview with #AC3A28

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

Preview Lab → · Contrast checker → · Palette generator →

#AC3A28 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva