#643c2f
a dark, soft red · warm · closest name: sienna
RGB
100, 60, 47
HSL
15°, 36%, 29%
CMYK
0, 40, 53, 61
Luminance
0.0615
Every format
| HEX | #643c2f |
| RGB | rgb(100, 60, 47) |
| HSL | hsl(15, 36%, 29%) |
| CMYK | cmyk(0%, 40%, 53%, 61%) |
| LAB | lab(29.8 16.0 15.4) |
| LCH | lch(29.8 22.2 43.9) |
| OKLCH | oklch(0.401 0.061 38.8) |
Copy-ready code
/* CSS */
color: #643c2f;
background-color: #643c2f;
/* Tailwind (arbitrary) */
class="text-[#643c2f] bg-[#643c2f]"
/* SCSS */
$brand: #643c2f;
/* SwiftUI */
Color(red: 0.392, green: 0.235, blue: 0.184)
/* Android */
Color.parseColor("#643c2f")Accessibility — WCAG contrast
Aa
#643c2f on white: 9.42:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#643c2f on black: 2.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green23.5%
Blue18.4%
CMYK percentages
Cyan0.0%
Magenta40.0%
Yellow53.0%
Key (black)60.8%
Color previews
#643c2f text on a black background
contrast 2.23:1
Card sample
#643c2f text on a white background
contrast 9.42:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643c2f;
Background color
Panel with #643c2f background
background-color: #643c2f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643c2f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 60, 47, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 60, 47, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643c2f; background: linear-gradient(135deg, #643c2f, #645F2F);