#3b6ddf
a balanced, vivid blue · cool · closest name: royalblue
RGB
59, 109, 223
HSL
222°, 72%, 55%
CMYK
74, 51, 0, 13
Luminance
0.1719
Every format
| HEX | #3b6ddf |
| RGB | rgb(59, 109, 223) |
| HSL | hsl(222, 72%, 55%) |
| CMYK | cmyk(74%, 51%, 0%, 13%) |
| LAB | lab(48.5 22.3 -63.1) |
| LCH | lch(48.5 66.9 289.4) |
| OKLCH | oklch(0.564 0.182 263.7) |
Copy-ready code
/* CSS */
color: #3b6ddf;
background-color: #3b6ddf;
/* Tailwind (arbitrary) */
class="text-[#3b6ddf] bg-[#3b6ddf]"
/* SCSS */
$brand: #3b6ddf;
/* SwiftUI */
Color(red: 0.231, green: 0.427, blue: 0.875)
/* Android */
Color.parseColor("#3b6ddf")Accessibility — WCAG contrast
Aa
#3b6ddf on white: 4.73:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3b6ddf on black: 4.44:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red23.1%
Green42.7%
Blue87.5%
CMYK percentages
Cyan73.5%
Magenta51.1%
Yellow0.0%
Key (black)12.5%
Color previews
#3b6ddf text on a black background
contrast 4.44:1
Card sample
#3b6ddf text on a white background
contrast 4.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3b6ddf;
Background color
Panel with #3b6ddf background
background-color: #3b6ddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3b6ddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(59, 109, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(59, 109, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3b6ddf; background: linear-gradient(135deg, #3b6ddf, #763BDF);