#643d21
a dark, vivid orange · warm · closest name: sienna
RGB
100, 61, 33
HSL
25°, 50%, 26%
CMYK
0, 39, 67, 61
Luminance
0.0616
Every format
| HEX | #643d21 |
| RGB | rgb(100, 61, 33) |
| HSL | hsl(25, 50%, 26%) |
| CMYK | cmyk(0%, 39%, 67%, 61%) |
| LAB | lab(29.8 14.1 24.1) |
| LCH | lch(29.8 27.9 59.7) |
| OKLCH | oklch(0.400 0.069 55.0) |
Copy-ready code
/* CSS */
color: #643d21;
background-color: #643d21;
/* Tailwind (arbitrary) */
class="text-[#643d21] bg-[#643d21]"
/* SCSS */
$brand: #643d21;
/* SwiftUI */
Color(red: 0.392, green: 0.239, blue: 0.129)
/* Android */
Color.parseColor("#643d21")Accessibility — WCAG contrast
Aa
#643d21 on white: 9.41:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#643d21 on black: 2.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green23.9%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta39.0%
Yellow67.0%
Key (black)60.8%
Color previews
#643d21 text on a black background
contrast 2.23:1
Card sample
#643d21 text on a white background
contrast 9.41:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643d21;
Background color
Panel with #643d21 background
background-color: #643d21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643d21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 61, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 61, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643d21; background: linear-gradient(135deg, #643d21, #5E6421);