#AD2D21#AD2D21

#AD2D21 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.7% C 0.167 H 29.6°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX#AD2D21
RGBrgb(173, 45, 33)
HSLhsl(5, 68%, 40%)
HSVhsv(5, 81%, 68%)
CMYKcmyk(0%, 74%, 80.9%, 32.2%)
CIE-LABlab(39.37, 50.85, 38.12)
CIE-LCHlch(39.37, 63.55, 36.86°)
OKLaboklab(49.68% 0.1448 0.0822)
OKLCHoklch(49.68% 0.167 29.6)
XYZxyz(18.4487, 10.8737, 2.5660)
Luminance0.1087 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD2D21 #21A1AD
analogous
#AD215B #AD2D21 #AD7321
triadic
#AD2D21 #21AD2D #2D21AD
tetradic
#AD2D21 #5BAD21 #21A1AD #7321AD
square
#AD2D21 #5BAD21 #21A1AD #7321AD
split-complementary
#AD2D21 #21AD73 #215BAD
monochromatic
#46120D #7A2017 #AD2D21 #D84133 #E27166

Accessibility & contrast

On white

6.62
#AD2D21 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.17
#AD2D21 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2D21
6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD2D21#FFFFFF#000000##FFFFFF
##AD2D211.006.623.176.62
#FFFFFF6.621.0021.001.00
#0000003.1721.001.0021.00
##FFFFFF6.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#544B1E
Deuteranopia (green-blind)
#73671B
Tritanopia (blue-blind)
#BF002C
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #ad2d21;
/* rgb */ color: rgb(173, 45, 33);
/* oklch */ color: oklch(49.7% 0.167 29.6);
Tailwind
colors: {
  custom: {
    50: '#ce705e',
    500: '#ad2d21',
    950: '#000000',
  },
}
SCSS
$custom: #ad2d21;
$custom-light: #ce705e;
$custom-dark: #000000;
JSON
{
  "hex": "#ad2d21",
  "rgb": {
    "r": 173,
    "g": 45,
    "b": 33
  },
  "hsl": {
    "h": 5.143,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49683,
    "c": 0.16653,
    "h": 29.6
  },
  "luminance": 0.10871
}

Semantic roles & 50–950 ramp

primary
#AD2D21
secondary
#62BFC7
accent
#DCEB3D
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#160804
muted
#847B79

Preview Lab

Preview with #AD2D21

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

Preview Lab → · Contrast checker → · Palette generator →

#AD2D21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva