#3f6cd8
a balanced, vivid blue · cool · closest name: royalblue
RGB
63, 108, 216
HSL
222°, 66%, 55%
CMYK
71, 50, 0, 15
Luminance
0.1674
Every format
| HEX | #3f6cd8 |
| RGB | rgb(63, 108, 216) |
| HSL | hsl(222, 66%, 55%) |
| CMYK | cmyk(71%, 50%, 0%, 15%) |
| LAB | lab(47.9 20.9 -60.0) |
| LCH | lch(47.9 63.5 289.2) |
| OKLCH | oklch(0.558 0.173 264.4) |
Copy-ready code
/* CSS */
color: #3f6cd8;
background-color: #3f6cd8;
/* Tailwind (arbitrary) */
class="text-[#3f6cd8] bg-[#3f6cd8]"
/* SCSS */
$brand: #3f6cd8;
/* SwiftUI */
Color(red: 0.247, green: 0.424, blue: 0.847)
/* Android */
Color.parseColor("#3f6cd8")Accessibility — WCAG contrast
Aa
#3f6cd8 on white: 4.83:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f6cd8 on black: 4.35:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green42.4%
Blue84.7%
CMYK percentages
Cyan70.8%
Magenta50.0%
Yellow0.0%
Key (black)15.3%
Color previews
#3f6cd8 text on a black background
contrast 4.35:1
Card sample
#3f6cd8 text on a white background
contrast 4.83:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f6cd8;
Background color
Panel with #3f6cd8 background
background-color: #3f6cd8;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f6cd8;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 108, 216, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 108, 216, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f6cd8; background: linear-gradient(135deg, #3f6cd8, #783FD8);