#AC3D3D#AC3D3D

#AC3D3D is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.7% C 0.146 H 23.7°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX#AC3D3D
RGBrgb(172, 61, 61)
HSLhsl(0, 48%, 46%)
HSVhsv(0, 65%, 67%)
CMYKcmyk(0%, 64.5%, 64.5%, 32.5%)
CIE-LABlab(41.92, 45.38, 24.66)
CIE-LCHlch(41.92, 51.64, 28.52°)
OKLaboklab(51.68% 0.1335 0.0587)
OKLCHoklch(51.68% 0.146 23.7)
XYZxyz(19.5262, 12.4477, 5.7884)
Luminance0.1245 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC3D3D #3DACAC
analogous
#AC3D74 #AC3D3D #AC743D
triadic
#AC3D3D #3DAC3D #3D3DAC
tetradic
#AC3D3D #74AC3D #3DACAC #743DAC
square
#AC3D3D #74AC3D #3DACAC #743DAC
split-complementary
#AC3D3D #3DAC74 #3D74AC
monochromatic
#521D1D #7F2D2D #AC3D3D #C76060 #D78D8D

Accessibility & contrast

On white

6.02
#AC3D3D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.49
#AC3D3D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3D3D
6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC3D3D#FFFFFF#000000##FFFFFF
##AC3D3D1.006.023.496.02
#FFFFFF6.021.0021.001.00
#0000003.4921.001.0021.00
##FFFFFF6.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A543C
Deuteranopia (green-blind)
#766C3A
Tritanopia (blue-blind)
#BD243E
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #ac3d3d;
/* rgb */ color: rgb(172, 61, 61);
/* oklch */ color: oklch(51.7% 0.146 23.7);
Tailwind
colors: {
  custom: {
    50: '#cb7872',
    500: '#ac3d3d',
    950: '#000000',
  },
}
SCSS
$custom: #ac3d3d;
$custom-light: #cb7872;
$custom-dark: #000000;
JSON
{
  "hex": "#ac3d3d",
  "rgb": {
    "r": 172,
    "g": 61,
    "b": 61
  },
  "hsl": {
    "h": 0,
    "s": 47.639,
    "l": 45.686
  },
  "oklch": {
    "l": 0.51677,
    "c": 0.14584,
    "h": 23.7
  },
  "luminance": 0.12445
}

Semantic roles & 50–950 ramp

primary
#AC3D3D
secondary
#84C1C1
accent
#D7D751
background
#FDF7F6
surface
#FAEEEC
border
#D3C9C7
text
#150908
muted
#837B7B

Preview Lab

Preview with #AC3D3D

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

Preview Lab → · Contrast checker → · Palette generator →

#AC3D3D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva