#AC2B3B#AC2B3B

#AC2B3B is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.7% C 0.164 H 19.0°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX#AC2B3B
RGBrgb(172, 43, 59)
HSLhsl(353, 60%, 42%)
HSVhsv(353, 75%, 67%)
CMYKcmyk(0%, 75%, 65.7%, 32.5%)
CIE-LABlab(39.27, 52.41, 22.54)
CIE-LCHlch(39.27, 57.05, 23.27°)
OKLaboklab(49.69% 0.1555 0.0537)
OKLCHoklch(49.69% 0.164 19)
XYZxyz(18.6685, 10.8170, 5.2417)
Luminance0.1081 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC2B3B #2BAC9C
analogous
#AC2B7C #AC2B3B #AC5B2B
triadic
#AC2B3B #3BAC2B #2B3BAC
tetradic
#AC2B3B #7CAC2B #2BAC9C #5B2BAC
square
#AC2B3B #7CAC2B #2BAC9C #5B2BAC
split-complementary
#AC2B3B #2BAC5B #2B7CAC
monochromatic
#4A1319 #7B1F2A #AC2B3B #D04455 #DC7582

Accessibility & contrast

On white

6.64
#AC2B3B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.16
#AC2B3B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2B3B
6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC2B3B#FFFFFF#000000##FFFFFF
##AC2B3B1.006.643.166.64
#FFFFFF6.641.0021.001.00
#0000003.1621.001.0021.00
##FFFFFF6.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#504B3B
Deuteranopia (green-blind)
#706637
Tritanopia (blue-blind)
#BD0032
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #ac2b3b;
/* rgb */ color: rgb(172, 43, 59);
/* oklch */ color: oklch(49.7% 0.164 19.0);
Tailwind
colors: {
  custom: {
    50: '#cc6f70',
    500: '#ac2b3b',
    950: '#000000',
  },
}
SCSS
$custom: #ac2b3b;
$custom-light: #cc6f70;
$custom-dark: #000000;
JSON
{
  "hex": "#ac2b3b",
  "rgb": {
    "r": 172,
    "g": 43,
    "b": 59
  },
  "hsl": {
    "h": 352.558,
    "s": 60,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49688,
    "c": 0.16446,
    "h": 19
  },
  "luminance": 0.10814
}

Semantic roles & 50–950 ramp

primary
#AC2B3B
secondary
#6FC4B9
accent
#E3CF45
background
#FDF7F6
surface
#FBEDEC
border
#D4C8C7
text
#150807
muted
#837B7A

Preview Lab

Preview with #AC2B3B

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

Preview Lab → · Contrast checker → · Palette generator →

#AC2B3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva