#ac3021
a dark, vivid red · warm · closest name: firebrick
RGB
172, 48, 33
HSL
7°, 68%, 40%
CMYK
0, 72, 81, 33
Luminance
0.1099
Every format
| HEX | #ac3021 |
| RGB | rgb(172, 48, 33) |
| HSL | hsl(7, 68%, 40%) |
| CMYK | cmyk(0%, 72%, 81%, 33%) |
| LAB | lab(39.6 49.4 38.3) |
| LCH | lch(39.6 62.5 37.8) |
| OKLCH | oklch(0.498 0.163 30.5) |
Copy-ready code
/* CSS */
color: #ac3021;
background-color: #ac3021;
/* Tailwind (arbitrary) */
class="text-[#ac3021] bg-[#ac3021]"
/* SCSS */
$brand: #ac3021;
/* SwiftUI */
Color(red: 0.675, green: 0.188, blue: 0.129)
/* Android */
Color.parseColor("#ac3021")Accessibility — WCAG contrast
Aa
#ac3021 on white: 6.56:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#ac3021 on black: 3.20:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green18.8%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta72.1%
Yellow80.8%
Key (black)32.5%
Color previews
#ac3021 text on a black background
contrast 3.20:1
Card sample
#ac3021 text on a white background
contrast 6.56:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac3021;
Background color
Panel with #ac3021 background
background-color: #ac3021;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac3021;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 48, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 48, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac3021; background: linear-gradient(135deg, #ac3021, #AC8D21);