#AD2A33#AD2A33

#AD2A33 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.6% C 0.167 H 22.4°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX#AD2A33
RGBrgb(173, 42, 51)
HSLhsl(356, 61%, 42%)
HSVhsv(356, 76%, 68%)
CMYKcmyk(0%, 75.7%, 70.5%, 32.2%)
CIE-LABlab(39.21, 52.63, 27.45)
CIE-LCHlch(39.21, 59.36, 27.55°)
OKLaboklab(49.64% 0.1543 0.0635)
OKLCHoklch(49.64% 0.167 22.4)
XYZxyz(18.6612, 10.7820, 4.2299)
Luminance0.1078 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD2A33 #2AADA4
analogous
#AD2A75 #AD2A33 #AD632A
triadic
#AD2A33 #33AD2A #2A33AD
tetradic
#AD2A33 #75AD2A #2AADA4 #632AAD
square
#AD2A33 #75AD2A #2AADA4 #632AAD
split-complementary
#AD2A33 #2AAD63 #2A75AD
monochromatic
#4B1216 #7C1E24 #AD2A33 #D1434D #DD747B

Accessibility & contrast

On white

6.65
#AD2A33 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.16
#AD2A33 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2A33
6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD2A33#FFFFFF#000000##FFFFFF
##AD2A331.006.653.166.65
#FFFFFF6.651.0021.001.00
#0000003.1621.001.0021.00
##FFFFFF6.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#504A32
Deuteranopia (green-blind)
#71662F
Tritanopia (blue-blind)
#BE002F
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #ad2a33;
/* rgb */ color: rgb(173, 42, 51);
/* oklch */ color: oklch(49.6% 0.167 22.4);
Tailwind
colors: {
  custom: {
    50: '#cd6f6a',
    500: '#ad2a33',
    950: '#000000',
  },
}
SCSS
$custom: #ad2a33;
$custom-light: #cd6f6a;
$custom-dark: #000000;
JSON
{
  "hex": "#ad2a33",
  "rgb": {
    "r": 173,
    "g": 42,
    "b": 51
  },
  "hsl": {
    "h": 355.878,
    "s": 60.93,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49637,
    "c": 0.16685,
    "h": 22.4
  },
  "luminance": 0.10779
}

Semantic roles & 50–950 ramp

primary
#AD2A33
secondary
#6EC5BF
accent
#E4D944
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150806
muted
#837B7A

Preview Lab

Preview with #AD2A33

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

Preview Lab → · Contrast checker → · Palette generator →

#AD2A33 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva