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#ad2e21

a dark, vivid red · warm · closest name: firebrick

RGB
173, 46, 33
HSL
6°, 68%, 40%
CMYK
0, 73, 81, 32
Luminance
0.1095

Every format

HEX#ad2e21
RGBrgb(173, 46, 33)
HSLhsl(6, 68%, 40%)
CMYKcmyk(0%, 73%, 81%, 32%)
LABlab(39.5 50.5 38.3)
LCHlch(39.5 63.3 37.1)
OKLCHoklch(0.498 0.166 29.9)

Copy-ready code

/* CSS */
color: #ad2e21;
background-color: #ad2e21;
/* Tailwind (arbitrary) */
class="text-[#ad2e21] bg-[#ad2e21]"
/* SCSS */
$brand: #ad2e21;
/* SwiftUI */
Color(red: 0.678, green: 0.180, blue: 0.129)
/* Android */
Color.parseColor("#ad2e21")

Accessibility — WCAG contrast

Aa
#ad2e21 on white: 6.58:1
AA ✓ pass · AA-large · AAA
Aa
#ad2e21 on black: 3.19:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red67.8%
Green18.0%
Blue12.9%

CMYK percentages

Cyan0.0%
Magenta73.4%
Yellow80.9%
Key (black)32.2%

Color previews

#ad2e21 text on a black background

contrast 3.19:1

Card sample

#ad2e21 text on a white background

contrast 6.58:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #ad2e21;
Background color
Panel with #ad2e21 background
background-color: #ad2e21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #ad2e21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(173, 46, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(173, 46, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ad2e21;
background: linear-gradient(135deg, #ad2e21, #AD8B21);

Monochromatic scale

Palettes built from #ad2e21

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #ad2e21 in the Color Lab