#643f2c
a dark, soft orange · warm · closest name: sienna
RGB
100, 63, 44
HSL
20°, 39%, 28%
CMYK
0, 37, 56, 61
Luminance
0.0645
Every format
| HEX | #643f2c |
| RGB | rgb(100, 63, 44) |
| HSL | hsl(20, 39%, 28%) |
| CMYK | cmyk(0%, 37%, 56%, 61%) |
| LAB | lab(30.5 13.9 18.3) |
| LCH | lch(30.5 22.9 52.8) |
| OKLCH | oklch(0.406 0.060 47.7) |
Copy-ready code
/* CSS */
color: #643f2c;
background-color: #643f2c;
/* Tailwind (arbitrary) */
class="text-[#643f2c] bg-[#643f2c]"
/* SCSS */
$brand: #643f2c;
/* SwiftUI */
Color(red: 0.392, green: 0.247, blue: 0.173)
/* Android */
Color.parseColor("#643f2c")Accessibility — WCAG contrast
Aa
#643f2c on white: 9.17:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#643f2c on black: 2.29:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green24.7%
Blue17.3%
CMYK percentages
Cyan0.0%
Magenta37.0%
Yellow56.0%
Key (black)60.8%
Color previews
#643f2c text on a black background
contrast 2.29:1
Card sample
#643f2c text on a white background
contrast 9.17:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643f2c;
Background color
Panel with #643f2c background
background-color: #643f2c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643f2c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 63, 44, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 63, 44, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643f2c; background: linear-gradient(135deg, #643f2c, #64642C);