#AC2A23#AC2A23

#AC2A23 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.2% C 0.168 H 28.2°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX#AC2A23
RGBrgb(172, 42, 35)
HSLhsl(3, 66%, 41%)
HSVhsv(3, 80%, 67%)
CMYKcmyk(0%, 75.6%, 79.7%, 32.5%)
CIE-LABlab(38.81, 51.65, 36.40)
CIE-LCHlch(38.81, 63.18, 35.17°)
OKLaboklab(49.24% 0.1478 0.0792)
OKLCHoklch(49.24% 0.168 28.2)
XYZxyz(18.1468, 10.5508, 2.6708)
Luminance0.1055 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC2A23 #23A5AC
analogous
#AC2360 #AC2A23 #AC6F23
triadic
#AC2A23 #23AC2A #2A23AC
tetradic
#AC2A23 #60AC23 #23A5AC #6F23AC
square
#AC2A23 #60AC23 #23A5AC #6F23AC
split-complementary
#AC2A23 #23AC6F #2360AC
monochromatic
#46110E #791E19 #AC2A23 #D63E36 #E06F69

Accessibility & contrast

On white

6.75
#AC2A23 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.11
#AC2A23 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2A23
6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC2A23#FFFFFF#000000##FFFFFF
##AC2A231.006.753.116.75
#FFFFFF6.751.0021.001.00
#0000003.1121.001.0021.00
##FFFFFF6.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#524921
Deuteranopia (green-blind)
#72661D
Tritanopia (blue-blind)
#BE002A
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #ac2a23;
/* rgb */ color: rgb(172, 42, 35);
/* oklch */ color: oklch(49.2% 0.168 28.2);
Tailwind
colors: {
  custom: {
    50: '#ce6e5f',
    500: '#ac2a23',
    950: '#000000',
  },
}
SCSS
$custom: #ac2a23;
$custom-light: #ce6e5f;
$custom-dark: #000000;
JSON
{
  "hex": "#ac2a23",
  "rgb": {
    "r": 172,
    "g": 42,
    "b": 35
  },
  "hsl": {
    "h": 3.066,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49241,
    "c": 0.16772,
    "h": 28.2
  },
  "luminance": 0.10548
}

Semantic roles & 50–950 ramp

primary
#AC2A23
secondary
#64C1C6
accent
#E0E93F
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150804
muted
#837B79

Preview Lab

Preview with #AC2A23

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

Preview Lab → · Contrast checker → · Palette generator →

#AC2A23 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva