#3f3fdc
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 63, 220
HSL
240°, 69%, 56%
CMYK
71, 71, 0, 14
Luminance
0.0978
Every format
| HEX | #3f3fdc |
| RGB | rgb(63, 63, 220) |
| HSL | hsl(240, 69%, 56%) |
| CMYK | cmyk(71%, 71%, 0%, 14%) |
| LAB | lab(37.4 49.9 -79.4) |
| LCH | lch(37.4 93.8 302.2) |
| OKLCH | oklch(0.482 0.230 273.6) |
Copy-ready code
/* CSS */
color: #3f3fdc;
background-color: #3f3fdc;
/* Tailwind (arbitrary) */
class="text-[#3f3fdc] bg-[#3f3fdc]"
/* SCSS */
$brand: #3f3fdc;
/* SwiftUI */
Color(red: 0.247, green: 0.247, blue: 0.863)
/* Android */
Color.parseColor("#3f3fdc")Accessibility — WCAG contrast
Aa
#3f3fdc on white: 7.10:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f3fdc on black: 2.96:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green24.7%
Blue86.3%
CMYK percentages
Cyan71.4%
Magenta71.4%
Yellow0.0%
Key (black)13.7%
Color previews
#3f3fdc text on a black background
contrast 2.96:1
Card sample
#3f3fdc text on a white background
contrast 7.10:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f3fdc;
Background color
Panel with #3f3fdc background
background-color: #3f3fdc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f3fdc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 63, 220, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 63, 220, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f3fdc; background: linear-gradient(135deg, #3f3fdc, #A83FDC);