#3f53cf
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 83, 207
HSL
232°, 60%, 53%
CMYK
70, 60, 0, 19
Luminance
0.1175
Every format
| HEX | #3f53cf |
| RGB | rgb(63, 83, 207) |
| HSL | hsl(232, 60%, 53%) |
| CMYK | cmyk(70%, 60%, 0%, 19%) |
| LAB | lab(40.8 33.5 -66.4) |
| LCH | lch(40.8 74.4 296.8) |
| OKLCH | oklch(0.503 0.192 270.8) |
Copy-ready code
/* CSS */
color: #3f53cf;
background-color: #3f53cf;
/* Tailwind (arbitrary) */
class="text-[#3f53cf] bg-[#3f53cf]"
/* SCSS */
$brand: #3f53cf;
/* SwiftUI */
Color(red: 0.247, green: 0.325, blue: 0.812)
/* Android */
Color.parseColor("#3f53cf")Accessibility — WCAG contrast
Aa
#3f53cf on white: 6.27:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f53cf on black: 3.35:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green32.5%
Blue81.2%
CMYK percentages
Cyan69.6%
Magenta59.9%
Yellow0.0%
Key (black)18.8%
Color previews
#3f53cf text on a black background
contrast 3.35:1
Card sample
#3f53cf text on a white background
contrast 6.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f53cf;
Background color
Panel with #3f53cf background
background-color: #3f53cf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f53cf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 83, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 83, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f53cf; background: linear-gradient(135deg, #3f53cf, #8B3FCF);