#3f6dcf
a balanced, vivid blue · cool · closest name: royalblue
RGB
63, 109, 207
HSL
221°, 60%, 53%
CMYK
70, 47, 0, 19
Luminance
0.1650
Every format
| HEX | #3f6dcf |
| RGB | rgb(63, 109, 207) |
| HSL | hsl(221, 60%, 53%) |
| CMYK | cmyk(70%, 47%, 0%, 19%) |
| LAB | lab(47.6 17.0 -55.4) |
| LCH | lch(47.6 57.9 287.0) |
| OKLCH | oklch(0.554 0.160 263.2) |
Copy-ready code
/* CSS */
color: #3f6dcf;
background-color: #3f6dcf;
/* Tailwind (arbitrary) */
class="text-[#3f6dcf] bg-[#3f6dcf]"
/* SCSS */
$brand: #3f6dcf;
/* SwiftUI */
Color(red: 0.247, green: 0.427, blue: 0.812)
/* Android */
Color.parseColor("#3f6dcf")Accessibility — WCAG contrast
Aa
#3f6dcf on white: 4.88:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f6dcf on black: 4.30:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green42.7%
Blue81.2%
CMYK percentages
Cyan69.6%
Magenta47.3%
Yellow0.0%
Key (black)18.8%
Color previews
#3f6dcf text on a black background
contrast 4.30:1
Card sample
#3f6dcf text on a white background
contrast 4.88:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f6dcf;
Background color
Panel with #3f6dcf background
background-color: #3f6dcf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f6dcf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 109, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 109, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f6dcf; background: linear-gradient(135deg, #3f6dcf, #713FCF);