#643f3f
a dark, soft red · warm · closest name: gray
RGB
100, 63, 63
HSL
0°, 23%, 32%
CMYK
0, 37, 37, 61
Luminance
0.0662
Every format
| HEX | #643f3f |
| RGB | rgb(100, 63, 63) |
| HSL | hsl(0, 23%, 32%) |
| CMYK | cmyk(0%, 37%, 37%, 61%) |
| LAB | lab(30.9 16.2 6.7) |
| LCH | lch(30.9 17.5 22.5) |
| OKLCH | oklch(0.411 0.052 19.5) |
Copy-ready code
/* CSS */
color: #643f3f;
background-color: #643f3f;
/* Tailwind (arbitrary) */
class="text-[#643f3f] bg-[#643f3f]"
/* SCSS */
$brand: #643f3f;
/* SwiftUI */
Color(red: 0.392, green: 0.247, blue: 0.247)
/* Android */
Color.parseColor("#643f3f")Accessibility — WCAG contrast
Aa
#643f3f on white: 9.03:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#643f3f on black: 2.32:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green24.7%
Blue24.7%
CMYK percentages
Cyan0.0%
Magenta37.0%
Yellow37.0%
Key (black)60.8%
Color previews
#643f3f text on a black background
contrast 2.32:1
Card sample
#643f3f text on a white background
contrast 9.03:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643f3f;
Background color
Panel with #643f3f background
background-color: #643f3f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643f3f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 63, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 63, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643f3f; background: linear-gradient(135deg, #643f3f, #64583F);