#3b6cd3
a balanced, vivid blue · cool · closest name: royalblue
RGB
59, 108, 211
HSL
221°, 63%, 53%
CMYK
72, 49, 0, 17
Luminance
0.1636
Every format
| HEX | #3b6cd3 |
| RGB | rgb(59, 108, 211) |
| HSL | hsl(221, 63%, 53%) |
| CMYK | cmyk(72%, 49%, 0%, 17%) |
| LAB | lab(47.4 18.5 -58.0) |
| LCH | lch(47.4 60.8 287.7) |
| OKLCH | oklch(0.553 0.168 263.0) |
Copy-ready code
/* CSS */
color: #3b6cd3;
background-color: #3b6cd3;
/* Tailwind (arbitrary) */
class="text-[#3b6cd3] bg-[#3b6cd3]"
/* SCSS */
$brand: #3b6cd3;
/* SwiftUI */
Color(red: 0.231, green: 0.424, blue: 0.827)
/* Android */
Color.parseColor("#3b6cd3")Accessibility — WCAG contrast
Aa
#3b6cd3 on white: 4.92:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3b6cd3 on black: 4.27:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red23.1%
Green42.4%
Blue82.7%
CMYK percentages
Cyan72.0%
Magenta48.8%
Yellow0.0%
Key (black)17.3%
Color previews
#3b6cd3 text on a black background
contrast 4.27:1
Card sample
#3b6cd3 text on a white background
contrast 4.92:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3b6cd3;
Background color
Panel with #3b6cd3 background
background-color: #3b6cd3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3b6cd3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(59, 108, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(59, 108, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3b6cd3; background: linear-gradient(135deg, #3b6cd3, #6F3BD3);