#3f3fdb
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 63, 219
HSL
240°, 68%, 55%
CMYK
71, 71, 0, 14
Luminance
0.0973
Every format
| HEX | #3f3fdb |
| RGB | rgb(63, 63, 219) |
| HSL | hsl(240, 68%, 55%) |
| CMYK | cmyk(71%, 71%, 0%, 14%) |
| LAB | lab(37.3 49.6 -79.0) |
| LCH | lch(37.3 93.3 302.1) |
| OKLCH | oklch(0.481 0.229 273.6) |
Copy-ready code
/* CSS */
color: #3f3fdb;
background-color: #3f3fdb;
/* Tailwind (arbitrary) */
class="text-[#3f3fdb] bg-[#3f3fdb]"
/* SCSS */
$brand: #3f3fdb;
/* SwiftUI */
Color(red: 0.247, green: 0.247, blue: 0.859)
/* Android */
Color.parseColor("#3f3fdb")Accessibility — WCAG contrast
Aa
#3f3fdb on white: 7.13:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f3fdb on black: 2.95:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green24.7%
Blue85.9%
CMYK percentages
Cyan71.2%
Magenta71.2%
Yellow0.0%
Key (black)14.1%
Color previews
#3f3fdb text on a black background
contrast 2.95:1
Card sample
#3f3fdb text on a white background
contrast 7.13:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f3fdb;
Background color
Panel with #3f3fdb background
background-color: #3f3fdb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f3fdb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 63, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 63, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f3fdb; background: linear-gradient(135deg, #3f3fdb, #A73FDB);