#3f4fd6
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 79, 214
HSL
234°, 65%, 54%
CMYK
71, 63, 0, 16
Luminance
0.1150
Every format
| HEX | #3f4fd6 |
| RGB | rgb(63, 79, 214) |
| HSL | hsl(234, 65%, 54%) |
| CMYK | cmyk(71%, 63%, 0%, 16%) |
| LAB | lab(40.4 38.4 -71.1) |
| LCH | lch(40.4 80.8 298.4) |
| OKLCH | oklch(0.502 0.205 271.5) |
Copy-ready code
/* CSS */
color: #3f4fd6;
background-color: #3f4fd6;
/* Tailwind (arbitrary) */
class="text-[#3f4fd6] bg-[#3f4fd6]"
/* SCSS */
$brand: #3f4fd6;
/* SwiftUI */
Color(red: 0.247, green: 0.310, blue: 0.839)
/* Android */
Color.parseColor("#3f4fd6")Accessibility — WCAG contrast
Aa
#3f4fd6 on white: 6.36:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f4fd6 on black: 3.30:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green31.0%
Blue83.9%
CMYK percentages
Cyan70.6%
Magenta63.1%
Yellow0.0%
Key (black)16.1%
Color previews
#3f4fd6 text on a black background
contrast 3.30:1
Card sample
#3f4fd6 text on a white background
contrast 6.36:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f4fd6;
Background color
Panel with #3f4fd6 background
background-color: #3f4fd6;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f4fd6;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 79, 214, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 79, 214, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f4fd6; background: linear-gradient(135deg, #3f4fd6, #943FD6);