#ac4523
a dark, vivid red · warm · closest name: sienna
RGB
172, 69, 35
HSL
15°, 66%, 41%
CMYK
0, 60, 80, 33
Luminance
0.1315
Every format
| HEX | #ac4523 |
| RGB | rgb(172, 69, 35) |
| HSL | hsl(15, 66%, 41%) |
| CMYK | cmyk(0%, 60%, 80%, 33%) |
| LAB | lab(43.0 40.4 40.6) |
| LCH | lch(43.0 57.3 45.2) |
| OKLCH | oklch(0.524 0.143 38.1) |
Copy-ready code
/* CSS */
color: #ac4523;
background-color: #ac4523;
/* Tailwind (arbitrary) */
class="text-[#ac4523] bg-[#ac4523]"
/* SCSS */
$brand: #ac4523;
/* SwiftUI */
Color(red: 0.675, green: 0.271, blue: 0.137)
/* Android */
Color.parseColor("#ac4523")Accessibility — WCAG contrast
Aa
#ac4523 on white: 5.79:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#ac4523 on black: 3.63:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green27.1%
Blue13.7%
CMYK percentages
Cyan0.0%
Magenta59.9%
Yellow79.7%
Key (black)32.5%
Color previews
#ac4523 text on a black background
contrast 3.63:1
Card sample
#ac4523 text on a white background
contrast 5.79:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac4523;
Background color
Panel with #ac4523 background
background-color: #ac4523;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac4523;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 69, 35, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 69, 35, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac4523; background: linear-gradient(135deg, #ac4523, #ACA023);