#663521
a dark, vivid orange · warm · closest name: sienna
RGB
102, 53, 33
HSL
17°, 51%, 27%
CMYK
0, 48, 68, 60
Luminance
0.0548
Every format
| HEX | #663521 |
| RGB | rgb(102, 53, 33) |
| HSL | hsl(17, 51%, 27%) |
| CMYK | cmyk(0%, 48%, 68%, 60%) |
| LAB | lab(28.1 19.9 22.1) |
| LCH | lch(28.1 29.8 48.0) |
| OKLCH | oklch(0.387 0.077 42.4) |
Copy-ready code
/* CSS */
color: #663521;
background-color: #663521;
/* Tailwind (arbitrary) */
class="text-[#663521] bg-[#663521]"
/* SCSS */
$brand: #663521;
/* SwiftUI */
Color(red: 0.400, green: 0.208, blue: 0.129)
/* Android */
Color.parseColor("#663521")Accessibility — WCAG contrast
Aa
#663521 on white: 10.02:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#663521 on black: 2.10:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green20.8%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta48.0%
Yellow67.6%
Key (black)60.0%
Color previews
#663521 text on a black background
contrast 2.10:1
Card sample
#663521 text on a white background
contrast 10.02:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #663521;
Background color
Panel with #663521 background
background-color: #663521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #663521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 53, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 53, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #663521; background: linear-gradient(135deg, #663521, #666321);