#AC3829#AC3829

#AC3829 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.8% C 0.154 H 30.5°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX#AC3829
RGBrgb(172, 56, 41)
HSLhsl(7, 62%, 42%)
HSVhsv(7, 76%, 67%)
CMYKcmyk(0%, 67.4%, 76.2%, 32.5%)
CIE-LABlab(40.84, 46.50, 35.16)
CIE-LCHlch(40.84, 58.29, 37.09°)
OKLaboklab(50.77% 0.133 0.0782)
OKLCHoklch(50.77% 0.154 30.5)
XYZxyz(18.8298, 11.7619, 3.3762)
Luminance0.1176 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC3829 #299DAC
analogous
#AC295C #AC3829 #AC7A29
triadic
#AC3829 #29AC38 #3829AC
tetradic
#AC3829 #5CAC29 #299DAC #7A29AC
square
#AC3829 #5CAC29 #299DAC #7A29AC
split-complementary
#AC3829 #29AC7A #295CAC
monochromatic
#491811 #7B281D #AC3829 #D25141 #DD7E72

Accessibility & contrast

On white

6.27
#AC3829 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.35
#AC3829 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3829
6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC3829#FFFFFF#000000##FFFFFF
##AC38291.006.273.356.27
#FFFFFF6.271.0021.001.00
#0000003.3521.001.0021.00
##FFFFFF6.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#595026
Deuteranopia (green-blind)
#766A25
Tritanopia (blue-blind)
#BD1535
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #ac3829;
/* rgb */ color: rgb(172, 56, 41);
/* oklch */ color: oklch(50.8% 0.154 30.5);
Tailwind
colors: {
  custom: {
    50: '#cd7564',
    500: '#ac3829',
    950: '#000000',
  },
}
SCSS
$custom: #ac3829;
$custom-light: #cd7564;
$custom-dark: #000000;
JSON
{
  "hex": "#ac3829",
  "rgb": {
    "r": 172,
    "g": 56,
    "b": 41
  },
  "hsl": {
    "h": 6.87,
    "s": 61.502,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50774,
    "c": 0.15426,
    "h": 30.5
  },
  "luminance": 0.11759
}

Semantic roles & 50–950 ramp

primary
#AC3829
secondary
#6CBAC5
accent
#D2E543
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150905
muted
#837B7A

Preview Lab

Preview with #AC3829

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

Preview Lab → · Contrast checker → · Palette generator →

#AC3829 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva