#AC3724#AC3724

#AC3724 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.6% C 0.156 H 31.8°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX#AC3724
RGBrgb(172, 55, 36)
HSLhsl(8, 65%, 41%)
HSVhsv(8, 79%, 67%)
CMYKcmyk(0%, 68%, 79.1%, 32.5%)
CIE-LABlab(40.63, 46.72, 37.70)
CIE-LCHlch(40.63, 60.04, 38.90°)
OKLaboklab(50.6% 0.1327 0.0824)
OKLCHoklch(50.6% 0.156 31.8)
XYZxyz(18.7000, 11.6332, 2.9295)
Luminance0.1163 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC3724 #2499AC
analogous
#AC2455 #AC3724 #AC7B24
triadic
#AC3724 #24AC37 #3724AC
tetradic
#AC3724 #55AC24 #2499AC #7B24AC
square
#AC3724 #55AC24 #2499AC #7B24AC
split-complementary
#AC3724 #24AC7B #2455AC
monochromatic
#47170F #792719 #AC3724 #D54E38 #E07B6A

Accessibility & contrast

On white

6.31
#AC3724 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.33
#AC3724 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3724
6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC3724#FFFFFF#000000##FFFFFF
##AC37241.006.313.336.31
#FFFFFF6.311.0021.001.00
#0000003.3321.001.0021.00
##FFFFFF6.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#594F21
Deuteranopia (green-blind)
#76691F
Tritanopia (blue-blind)
#BD1134
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #ac3724;
/* rgb */ color: rgb(172, 55, 36);
/* oklch */ color: oklch(50.6% 0.156 31.8);
Tailwind
colors: {
  custom: {
    50: '#cd7460',
    500: '#ac3724',
    950: '#000000',
  },
}
SCSS
$custom: #ac3724;
$custom-light: #cd7460;
$custom-dark: #000000;
JSON
{
  "hex": "#ac3724",
  "rgb": {
    "r": 172,
    "g": 55,
    "b": 36
  },
  "hsl": {
    "h": 8.382,
    "s": 65.385,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50601,
    "c": 0.15614,
    "h": 31.8
  },
  "luminance": 0.1163
}

Semantic roles & 50–950 ramp

primary
#AC3724
secondary
#66B9C6
accent
#D1E83F
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150905
muted
#837B79

Preview Lab

Preview with #AC3724

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

Preview Lab → · Contrast checker → · Palette generator →

#AC3724 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva