#3f3fbc
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 63, 188
HSL
240°, 50%, 49%
CMYK
67, 67, 0, 26
Luminance
0.0824
Every format
| HEX | #3f3fbc |
| RGB | rgb(63, 63, 188) |
| HSL | hsl(240, 50%, 49%) |
| CMYK | cmyk(67%, 67%, 0%, 26%) |
| LAB | lab(34.5 39.4 -65.7) |
| LCH | lch(34.5 76.6 300.9) |
| OKLCH | oklch(0.452 0.191 275.6) |
Copy-ready code
/* CSS */
color: #3f3fbc;
background-color: #3f3fbc;
/* Tailwind (arbitrary) */
class="text-[#3f3fbc] bg-[#3f3fbc]"
/* SCSS */
$brand: #3f3fbc;
/* SwiftUI */
Color(red: 0.247, green: 0.247, blue: 0.737)
/* Android */
Color.parseColor("#3f3fbc")Accessibility — WCAG contrast
Aa
#3f3fbc on white: 7.93:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f3fbc on black: 2.65:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green24.7%
Blue73.7%
CMYK percentages
Cyan66.5%
Magenta66.5%
Yellow0.0%
Key (black)26.3%
Color previews
#3f3fbc text on a black background
contrast 2.65:1
Card sample
#3f3fbc text on a white background
contrast 7.93:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f3fbc;
Background color
Panel with #3f3fbc background
background-color: #3f3fbc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f3fbc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 63, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 63, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f3fbc; background: linear-gradient(135deg, #3f3fbc, #923FBC);