#AD2B27#AD2B27

#AD2B27 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.6% C 0.167 H 27.1°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX#AD2B27
RGBrgb(173, 43, 39)
HSLhsl(2, 63%, 42%)
HSVhsv(2, 77%, 68%)
CMYKcmyk(0%, 75.1%, 77.5%, 32.2%)
CIE-LABlab(39.18, 51.76, 34.56)
CIE-LCHlch(39.18, 62.24, 33.73°)
OKLaboklab(49.56% 0.1489 0.0763)
OKLCHoklch(49.56% 0.167 27.1)
XYZxyz(18.4658, 10.7614, 3.0239)
Luminance0.1076 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD2B27 #27A9AD
analogous
#AD2766 #AD2B27 #AD6E27
triadic
#AD2B27 #27AD2B #2B27AD
tetradic
#AD2B27 #66AD27 #27A9AD #6E27AD
square
#AD2B27 #66AD27 #27A9AD #6E27AD
split-complementary
#AD2B27 #27AD6E #2766AD
monochromatic
#491210 #7B1F1C #AD2B27 #D3423E #DF7370

Accessibility & contrast

On white

6.66
#AD2B27 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.15
#AD2B27 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2B27
6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD2B27#FFFFFF#000000##FFFFFF
##AD2B271.006.663.156.66
#FFFFFF6.661.0021.001.00
#0000003.1521.001.0021.00
##FFFFFF6.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#524A25
Deuteranopia (green-blind)
#726722
Tritanopia (blue-blind)
#BF002C
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #ad2b27;
/* rgb */ color: rgb(173, 43, 39);
/* oklch */ color: oklch(49.6% 0.167 27.1);
Tailwind
colors: {
  custom: {
    50: '#ce6f62',
    500: '#ad2b27',
    950: '#000000',
  },
}
SCSS
$custom: #ad2b27;
$custom-light: #ce6f62;
$custom-dark: #000000;
JSON
{
  "hex": "#ad2b27",
  "rgb": {
    "r": 173,
    "g": 43,
    "b": 39
  },
  "hsl": {
    "h": 1.791,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.4956,
    "c": 0.16734,
    "h": 27.1
  },
  "luminance": 0.10758
}

Semantic roles & 50–950 ramp

primary
#AD2B27
secondary
#6AC3C6
accent
#E1E642
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150805
muted
#837B79

Preview Lab

Preview with #AD2B27

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

Preview Lab → · Contrast checker → · Palette generator →

#AD2B27 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva