#AD2A27#AD2A27

#AD2A27 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.168 H 26.9°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX#AD2A27
RGBrgb(173, 42, 39)
HSLhsl(1, 63%, 42%)
HSVhsv(1, 77%, 68%)
CMYKcmyk(0%, 75.7%, 77.5%, 32.2%)
CIE-LABlab(39.05, 52.10, 34.43)
CIE-LCHlch(39.05, 62.45, 33.46°)
OKLaboklab(49.47% 0.15 0.076)
OKLCHoklch(49.47% 0.168 26.9)
XYZxyz(18.4299, 10.6895, 3.0119)
Luminance0.1069 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD2A27 #27AAAD
analogous
#AD2767 #AD2A27 #AD6D27
triadic
#AD2A27 #27AD2A #2A27AD
tetradic
#AD2A27 #67AD27 #27AAAD #6D27AD
square
#AD2A27 #67AD27 #27AAAD #6D27AD
split-complementary
#AD2A27 #27AD6D #2767AD
monochromatic
#491210 #7B1E1C #AD2A27 #D3413E #DF7270

Accessibility & contrast

On white

6.69
#AD2A27 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#AD2A27 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2A27
6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD2A27#FFFFFF#000000##FFFFFF
##AD2A271.006.693.146.69
#FFFFFF6.691.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#524A25
Deuteranopia (green-blind)
#726622
Tritanopia (blue-blind)
#BF002B
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #ad2a27;
/* rgb */ color: rgb(173, 42, 39);
/* oklch */ color: oklch(49.5% 0.168 26.9);
Tailwind
colors: {
  custom: {
    50: '#ce6e62',
    500: '#ad2a27',
    950: '#000000',
  },
}
SCSS
$custom: #ad2a27;
$custom-light: #ce6e62;
$custom-dark: #000000;
JSON
{
  "hex": "#ad2a27",
  "rgb": {
    "r": 173,
    "g": 42,
    "b": 39
  },
  "hsl": {
    "h": 1.343,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49468,
    "c": 0.16817,
    "h": 26.9
  },
  "luminance": 0.10687
}

Semantic roles & 50–950 ramp

primary
#AD2A27
secondary
#6AC3C6
accent
#E3E642
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150805
muted
#837B79

Preview Lab

Preview with #AD2A27

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

Preview Lab → · Contrast checker → · Palette generator →

#AD2A27 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva