#3f3fcf
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 63, 207
HSL
240°, 60%, 53%
CMYK
70, 70, 0, 19
Luminance
0.0912
Every format
| HEX | #3f3fcf |
| RGB | rgb(63, 63, 207) |
| HSL | hsl(240, 60%, 53%) |
| CMYK | cmyk(70%, 70%, 0%, 19%) |
| LAB | lab(36.2 45.7 -73.9) |
| LCH | lch(36.2 86.9 301.7) |
| OKLCH | oklch(0.469 0.214 274.4) |
Copy-ready code
/* CSS */
color: #3f3fcf;
background-color: #3f3fcf;
/* Tailwind (arbitrary) */
class="text-[#3f3fcf] bg-[#3f3fcf]"
/* SCSS */
$brand: #3f3fcf;
/* SwiftUI */
Color(red: 0.247, green: 0.247, blue: 0.812)
/* Android */
Color.parseColor("#3f3fcf")Accessibility — WCAG contrast
Aa
#3f3fcf on white: 7.44:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f3fcf on black: 2.82:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green24.7%
Blue81.2%
CMYK percentages
Cyan69.6%
Magenta69.6%
Yellow0.0%
Key (black)18.8%
Color previews
#3f3fcf text on a black background
contrast 2.82:1
Card sample
#3f3fcf text on a white background
contrast 7.44:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f3fcf;
Background color
Panel with #3f3fcf background
background-color: #3f3fcf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f3fcf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 63, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 63, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f3fcf; background: linear-gradient(135deg, #3f3fcf, #9F3FCF);