#3f4fdc
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 79, 220
HSL
234°, 69%, 56%
CMYK
71, 64, 0, 14
Luminance
0.1182
Every format
| HEX | #3f4fdc |
| RGB | rgb(63, 79, 220) |
| HSL | hsl(234, 69%, 56%) |
| CMYK | cmyk(71%, 64%, 0%, 14%) |
| LAB | lab(40.9 40.5 -73.7) |
| LCH | lch(40.9 84.1 298.8) |
| OKLCH | oklch(0.507 0.213 271.4) |
Copy-ready code
/* CSS */
color: #3f4fdc;
background-color: #3f4fdc;
/* Tailwind (arbitrary) */
class="text-[#3f4fdc] bg-[#3f4fdc]"
/* SCSS */
$brand: #3f4fdc;
/* SwiftUI */
Color(red: 0.247, green: 0.310, blue: 0.863)
/* Android */
Color.parseColor("#3f4fdc")Accessibility — WCAG contrast
Aa
#3f4fdc on white: 6.24:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f4fdc on black: 3.36:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green31.0%
Blue86.3%
CMYK percentages
Cyan71.4%
Magenta64.1%
Yellow0.0%
Key (black)13.7%
Color previews
#3f4fdc text on a black background
contrast 3.36:1
Card sample
#3f4fdc text on a white background
contrast 6.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f4fdc;
Background color
Panel with #3f4fdc background
background-color: #3f4fdc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f4fdc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 79, 220, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 79, 220, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f4fdc; background: linear-gradient(135deg, #3f4fdc, #983FDC);