#AD2621#AD2621

#AD2621 is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.1% C 0.172 H 27.8°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX#AD2621
RGBrgb(173, 38, 33)
HSLhsl(2, 68%, 40%)
HSVhsv(2, 81%, 68%)
CMYKcmyk(0%, 78%, 80.9%, 32.2%)
CIE-LABlab(38.52, 53.20, 37.28)
CIE-LCHlch(38.52, 64.96, 35.02°)
OKLaboklab(49.05% 0.1522 0.0804)
OKLCHoklch(49.05% 0.172 27.8)
XYZxyz(18.2034, 10.3832, 2.4842)
Luminance0.1038 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD2621 #21A8AD
analogous
#AD2162 #AD2621 #AD6C21
triadic
#AD2621 #21AD26 #2621AD
tetradic
#AD2621 #62AD21 #21A8AD #6C21AD
square
#AD2621 #62AD21 #21A8AD #6C21AD
split-complementary
#AD2621 #21AD6C #2162AD
monochromatic
#460F0D #7A1B17 #AD2621 #D83933 #E26B66

Accessibility & contrast

On white

6.83
#AD2621 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.08
#AD2621 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2621
6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD2621#FFFFFF#000000##FFFFFF
##AD26211.006.833.086.83
#FFFFFF6.831.0021.001.00
#0000003.0821.001.0021.00
##FFFFFF6.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#50481F
Deuteranopia (green-blind)
#72651A
Tritanopia (blue-blind)
#BF0027
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #ad2621;
/* rgb */ color: rgb(173, 38, 33);
/* oklch */ color: oklch(49.1% 0.172 27.8);
Tailwind
colors: {
  custom: {
    50: '#cf6d5d',
    500: '#ad2621',
    950: '#000000',
  },
}
SCSS
$custom: #ad2621;
$custom-light: #cf6d5d;
$custom-dark: #000000;
JSON
{
  "hex": "#ad2621",
  "rgb": {
    "r": 173,
    "g": 38,
    "b": 33
  },
  "hsl": {
    "h": 2.143,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49053,
    "c": 0.17212,
    "h": 27.8
  },
  "luminance": 0.1038
}

Semantic roles & 50–950 ramp

primary
#AD2621
secondary
#62C4C7
accent
#E5EB3D
background
#FEF6F5
surface
#FCECE9
border
#D5C7C5
text
#160804
muted
#847A79

Preview Lab

Preview with #AD2621

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

Preview Lab → · Contrast checker → · Palette generator →

#AD2621 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva