#AC3427#AC3427

#AC3427 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.3% C 0.158 H 29.8°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX#AC3427
RGBrgb(172, 52, 39)
HSLhsl(6, 63%, 41%)
HSVhsv(6, 77%, 67%)
CMYKcmyk(0%, 69.8%, 77.3%, 32.5%)
CIE-LABlab(40.21, 48.07, 35.61)
CIE-LCHlch(40.21, 59.82, 36.53°)
OKLaboklab(50.3% 0.1374 0.0787)
OKLCHoklch(50.3% 0.158 29.8)
XYZxyz(18.6096, 11.3759, 3.1349)
Luminance0.1137 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC3427 #279FAC
analogous
#AC275D #AC3427 #AC7727
triadic
#AC3427 #27AC34 #3427AC
tetradic
#AC3427 #5DAC27 #279FAC #7727AC
square
#AC3427 #5DAC27 #279FAC #7727AC
split-complementary
#AC3427 #27AC77 #275DAC
monochromatic
#481610 #7A251C #AC3427 #D34C3D #DE7A6F

Accessibility & contrast

On white

6.41
#AC3427 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.27
#AC3427 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3427
6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC3427#FFFFFF#000000##FFFFFF
##AC34271.006.413.276.41
#FFFFFF6.411.0021.001.00
#0000003.2721.001.0021.00
##FFFFFF6.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574E25
Deuteranopia (green-blind)
#756822
Tritanopia (blue-blind)
#BD0932
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #ac3427;
/* rgb */ color: rgb(172, 52, 39);
/* oklch */ color: oklch(50.3% 0.158 29.8);
Tailwind
colors: {
  custom: {
    50: '#cd7362',
    500: '#ac3427',
    950: '#000000',
  },
}
SCSS
$custom: #ac3427;
$custom-light: #cd7362;
$custom-dark: #000000;
JSON
{
  "hex": "#ac3427",
  "rgb": {
    "r": 172,
    "g": 52,
    "b": 39
  },
  "hsl": {
    "h": 5.865,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50295,
    "c": 0.15837,
    "h": 29.8
  },
  "luminance": 0.11373
}

Semantic roles & 50–950 ramp

primary
#AC3427
secondary
#6ABCC5
accent
#D6E642
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150805
muted
#837B79

Preview Lab

Preview with #AC3427

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

Preview Lab → · Contrast checker → · Palette generator →

#AC3427 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva