#3f3fcb
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 63, 203
HSL
240°, 57%, 52%
CMYK
69, 69, 0, 20
Luminance
0.0892
Every format
| HEX | #3f3fcb |
| RGB | rgb(63, 63, 203) |
| HSL | hsl(240, 57%, 52%) |
| CMYK | cmyk(69%, 69%, 0%, 20%) |
| LAB | lab(35.8 44.4 -72.2) |
| LCH | lch(35.8 84.8 301.6) |
| OKLCH | oklch(0.465 0.209 274.6) |
Copy-ready code
/* CSS */
color: #3f3fcb;
background-color: #3f3fcb;
/* Tailwind (arbitrary) */
class="text-[#3f3fcb] bg-[#3f3fcb]"
/* SCSS */
$brand: #3f3fcb;
/* SwiftUI */
Color(red: 0.247, green: 0.247, blue: 0.796)
/* Android */
Color.parseColor("#3f3fcb")Accessibility — WCAG contrast
Aa
#3f3fcb on white: 7.54:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f3fcb on black: 2.78:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green24.7%
Blue79.6%
CMYK percentages
Cyan69.0%
Magenta69.0%
Yellow0.0%
Key (black)20.4%
Color previews
#3f3fcb text on a black background
contrast 2.78:1
Card sample
#3f3fcb text on a white background
contrast 7.54:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f3fcb;
Background color
Panel with #3f3fcb background
background-color: #3f3fcb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f3fcb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 63, 203, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 63, 203, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f3fcb; background: linear-gradient(135deg, #3f3fcb, #9C3FCB);