#AD2C21#AD2C21

#AD2C21 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.6% C 0.167 H 29.3°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX#AD2C21
RGBrgb(173, 44, 33)
HSLhsl(5, 68%, 40%)
HSVhsv(5, 81%, 68%)
CMYKcmyk(0%, 74.6%, 80.9%, 32.2%)
CIE-LABlab(39.24, 51.20, 37.99)
CIE-LCHlch(39.24, 63.76, 36.58°)
OKLaboklab(49.59% 0.1459 0.0819)
OKLCHoklch(49.59% 0.167 29.3)
XYZxyz(18.4110, 10.7983, 2.5534)
Luminance0.1080 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD2C21 #21A2AD
analogous
#AD215C #AD2C21 #AD7221
triadic
#AD2C21 #21AD2C #2C21AD
tetradic
#AD2C21 #5CAD21 #21A2AD #7221AD
square
#AD2C21 #5CAD21 #21A2AD #7221AD
split-complementary
#AD2C21 #21AD72 #215CAD
monochromatic
#46120D #7A1F17 #AD2C21 #D84033 #E27066

Accessibility & contrast

On white

6.65
#AD2C21 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.16
#AD2C21 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2C21
6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD2C21#FFFFFF#000000##FFFFFF
##AD2C211.006.653.166.65
#FFFFFF6.651.0021.001.00
#0000003.1621.001.0021.00
##FFFFFF6.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#534A1E
Deuteranopia (green-blind)
#73671B
Tritanopia (blue-blind)
#BF002B
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #ad2c21;
/* rgb */ color: rgb(173, 44, 33);
/* oklch */ color: oklch(49.6% 0.167 29.3);
Tailwind
colors: {
  custom: {
    50: '#cf6f5e',
    500: '#ad2c21',
    950: '#000000',
  },
}
SCSS
$custom: #ad2c21;
$custom-light: #cf6f5e;
$custom-dark: #000000;
JSON
{
  "hex": "#ad2c21",
  "rgb": {
    "r": 173,
    "g": 44,
    "b": 33
  },
  "hsl": {
    "h": 4.714,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49587,
    "c": 0.16736,
    "h": 29.3
  },
  "luminance": 0.10795
}

Semantic roles & 50–950 ramp

primary
#AD2C21
secondary
#62BFC7
accent
#DDEB3D
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#160804
muted
#847B79

Preview Lab

Preview with #AD2C21

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

Preview Lab → · Contrast checker → · Palette generator →

#AD2C21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva