#3f4ffc
a balanced, electric blue · warm · closest name: slateblue
RGB
63, 79, 252
HSL
235°, 97%, 62%
CMYK
75, 69, 0, 1
Luminance
0.1368
Every format
| HEX | #3f4ffc |
| RGB | rgb(63, 79, 252) |
| HSL | hsl(235, 97%, 62%) |
| CMYK | cmyk(75%, 69%, 0%, 1%) |
| LAB | lab(43.8 51.3 -87.1) |
| LCH | lch(43.8 101.1 300.5) |
| OKLCH | oklch(0.536 0.252 270.5) |
Copy-ready code
/* CSS */
color: #3f4ffc;
background-color: #3f4ffc;
/* Tailwind (arbitrary) */
class="text-[#3f4ffc] bg-[#3f4ffc]"
/* SCSS */
$brand: #3f4ffc;
/* SwiftUI */
Color(red: 0.247, green: 0.310, blue: 0.988)
/* Android */
Color.parseColor("#3f4ffc")Accessibility — WCAG contrast
Aa
#3f4ffc on white: 5.62:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f4ffc on black: 3.74:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green31.0%
Blue98.8%
CMYK percentages
Cyan75.0%
Magenta68.7%
Yellow0.0%
Key (black)1.2%
Color previews
#3f4ffc text on a black background
contrast 3.74:1
Card sample
#3f4ffc text on a white background
contrast 5.62:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f4ffc;
Background color
Panel with #3f4ffc background
background-color: #3f4ffc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f4ffc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 79, 252, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 79, 252, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f4ffc; background: linear-gradient(135deg, #3f4ffc, #AD3FFC);