#AC3623#AC3623

#AC3623 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.5% C 0.157 H 31.8°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX#AC3623
RGBrgb(172, 54, 35)
HSLhsl(8, 66%, 41%)
HSVhsv(8, 80%, 67%)
CMYKcmyk(0%, 68.6%, 79.7%, 32.5%)
CIE-LABlab(40.46, 47.10, 38.08)
CIE-LCHlch(40.46, 60.57, 38.95°)
OKLaboklab(50.48% 0.1336 0.0829)
OKLCHoklch(50.48% 0.157 31.8)
XYZxyz(18.6379, 11.5331, 2.8345)
Luminance0.1153 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC3623 #2399AC
analogous
#AC2354 #AC3623 #AC7A23
triadic
#AC3623 #23AC36 #3623AC
tetradic
#AC3623 #54AC23 #2399AC #7A23AC
square
#AC3623 #54AC23 #2399AC #7A23AC
split-complementary
#AC3623 #23AC7A #2354AC
monochromatic
#46160E #792619 #AC3623 #D64C36 #E07A69

Accessibility & contrast

On white

6.35
#AC3623 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.31
#AC3623 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3623
6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC3623#FFFFFF#000000##FFFFFF
##AC36231.006.353.316.35
#FFFFFF6.351.0021.001.00
#0000003.3121.001.0021.00
##FFFFFF6.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#584F20
Deuteranopia (green-blind)
#75691E
Tritanopia (blue-blind)
#BE0E33
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #ac3623;
/* rgb */ color: rgb(172, 54, 35);
/* oklch */ color: oklch(50.5% 0.157 31.8);
Tailwind
colors: {
  custom: {
    50: '#cd745f',
    500: '#ac3623',
    950: '#000000',
  },
}
SCSS
$custom: #ac3623;
$custom-light: #cd745f;
$custom-dark: #000000;
JSON
{
  "hex": "#ac3623",
  "rgb": {
    "r": 172,
    "g": 54,
    "b": 35
  },
  "hsl": {
    "h": 8.321,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50475,
    "c": 0.15725,
    "h": 31.8
  },
  "luminance": 0.1153
}

Semantic roles & 50–950 ramp

primary
#AC3623
secondary
#64B9C6
accent
#D1E93F
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150905
muted
#837B79

Preview Lab

Preview with #AC3623

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

Preview Lab → · Contrast checker → · Palette generator →

#AC3623 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva