#3f6cd7
a balanced, vivid blue · cool · closest name: royalblue
RGB
63, 108, 215
HSL
222°, 66%, 55%
CMYK
71, 50, 0, 16
Luminance
0.1669
Every format
| HEX | #3f6cd7 |
| RGB | rgb(63, 108, 215) |
| HSL | hsl(222, 66%, 55%) |
| CMYK | cmyk(71%, 50%, 0%, 16%) |
| LAB | lab(47.9 20.5 -59.5) |
| LCH | lch(47.9 63.0 289.0) |
| OKLCH | oklch(0.558 0.172 264.4) |
Copy-ready code
/* CSS */
color: #3f6cd7;
background-color: #3f6cd7;
/* Tailwind (arbitrary) */
class="text-[#3f6cd7] bg-[#3f6cd7]"
/* SCSS */
$brand: #3f6cd7;
/* SwiftUI */
Color(red: 0.247, green: 0.424, blue: 0.843)
/* Android */
Color.parseColor("#3f6cd7")Accessibility — WCAG contrast
Aa
#3f6cd7 on white: 4.84:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f6cd7 on black: 4.34:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green42.4%
Blue84.3%
CMYK percentages
Cyan70.7%
Magenta49.8%
Yellow0.0%
Key (black)15.7%
Color previews
#3f6cd7 text on a black background
contrast 4.34:1
Card sample
#3f6cd7 text on a white background
contrast 4.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f6cd7;
Background color
Panel with #3f6cd7 background
background-color: #3f6cd7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f6cd7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 108, 215, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 108, 215, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f6cd7; background: linear-gradient(135deg, #3f6cd7, #773FD7);