#AC3528#AC3528

#AC3528 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.4% C 0.157 H 29.8°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX#AC3528
RGBrgb(172, 53, 40)
HSLhsl(6, 62%, 42%)
HSVhsv(6, 77%, 67%)
CMYKcmyk(0%, 69.2%, 76.7%, 32.5%)
CIE-LABlab(40.37, 47.70, 35.22)
CIE-LCHlch(40.37, 59.29, 36.44°)
OKLaboklab(50.42% 0.1365 0.0781)
OKLCHoklch(50.42% 0.157 29.8)
XYZxyz(18.6715, 11.4728, 3.2384)
Luminance0.1147 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC3528 #289FAC
analogous
#AC285D #AC3528 #AC7728
triadic
#AC3528 #28AC35 #3528AC
tetradic
#AC3528 #5DAC28 #289FAC #7728AC
square
#AC3528 #5DAC28 #289FAC #7728AC
split-complementary
#AC3528 #28AC77 #285DAC
monochromatic
#491611 #7A261C #AC3528 #D24D3F #DE7B71

Accessibility & contrast

On white

6.38
#AC3528 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.29
#AC3528 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3528
6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC3528#FFFFFF#000000##FFFFFF
##AC35281.006.383.296.38
#FFFFFF6.381.0021.001.00
#0000003.2921.001.0021.00
##FFFFFF6.381.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574F26
Deuteranopia (green-blind)
#756923
Tritanopia (blue-blind)
#BD0D33
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #ac3528;
/* rgb */ color: rgb(172, 53, 40);
/* oklch */ color: oklch(50.4% 0.157 29.8);
Tailwind
colors: {
  custom: {
    50: '#cd7363',
    500: '#ac3528',
    950: '#000000',
  },
}
SCSS
$custom: #ac3528;
$custom-light: #cd7363;
$custom-dark: #000000;
JSON
{
  "hex": "#ac3528",
  "rgb": {
    "r": 172,
    "g": 53,
    "b": 40
  },
  "hsl": {
    "h": 5.909,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50418,
    "c": 0.15727,
    "h": 29.8
  },
  "luminance": 0.1147
}

Semantic roles & 50–950 ramp

primary
#AC3528
secondary
#6BBCC5
accent
#D5E542
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150905
muted
#837B79

Preview Lab

Preview with #AC3528

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

Preview Lab → · Contrast checker → · Palette generator →

#AC3528 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva