#3f73dc
a balanced, vivid blue · cool · closest name: royalblue
RGB
63, 115, 220
HSL
220°, 69%, 56%
CMYK
71, 48, 0, 14
Luminance
0.1849
Every format
| HEX | #3f73dc |
| RGB | rgb(63, 115, 220) |
| HSL | hsl(220, 69%, 56%) |
| CMYK | cmyk(71%, 48%, 0%, 14%) |
| LAB | lab(50.1 17.9 -58.8) |
| LCH | lch(50.1 61.5 286.9) |
| OKLCH | oklch(0.576 0.170 262.5) |
Copy-ready code
/* CSS */
color: #3f73dc;
background-color: #3f73dc;
/* Tailwind (arbitrary) */
class="text-[#3f73dc] bg-[#3f73dc]"
/* SCSS */
$brand: #3f73dc;
/* SwiftUI */
Color(red: 0.247, green: 0.451, blue: 0.863)
/* Android */
Color.parseColor("#3f73dc")Accessibility — WCAG contrast
Aa
#3f73dc on white: 4.47:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3f73dc on black: 4.70:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green45.1%
Blue86.3%
CMYK percentages
Cyan71.4%
Magenta47.7%
Yellow0.0%
Key (black)13.7%
Color previews
#3f73dc text on a black background
contrast 4.70:1
Card sample
#3f73dc text on a white background
contrast 4.47:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f73dc;
Background color
Panel with #3f73dc background
background-color: #3f73dc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f73dc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 115, 220, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 115, 220, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f73dc; background: linear-gradient(135deg, #3f73dc, #743FDC);