#3963cd
a balanced, vivid blue · cool · closest name: royalblue
RGB
57, 99, 205
HSL
223°, 60%, 51%
CMYK
72, 52, 0, 20
Luminance
0.1420
Every format
| HEX | #3963cd |
| RGB | rgb(57, 99, 205) |
| HSL | hsl(223, 60%, 51%) |
| CMYK | cmyk(72%, 52%, 0%, 20%) |
| LAB | lab(44.5 21.8 -59.3) |
| LCH | lch(44.5 63.1 290.2) |
| OKLCH | oklch(0.529 0.171 264.8) |
Copy-ready code
/* CSS */
color: #3963cd;
background-color: #3963cd;
/* Tailwind (arbitrary) */
class="text-[#3963cd] bg-[#3963cd]"
/* SCSS */
$brand: #3963cd;
/* SwiftUI */
Color(red: 0.224, green: 0.388, blue: 0.804)
/* Android */
Color.parseColor("#3963cd")Accessibility — WCAG contrast
Aa
#3963cd on white: 5.47:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3963cd on black: 3.84:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green38.8%
Blue80.4%
CMYK percentages
Cyan72.2%
Magenta51.7%
Yellow0.0%
Key (black)19.6%
Color previews
#3963cd text on a black background
contrast 3.84:1
Card sample
#3963cd text on a white background
contrast 5.47:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3963cd;
Background color
Panel with #3963cd background
background-color: #3963cd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3963cd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 99, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 99, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3963cd; background: linear-gradient(135deg, #3963cd, #7239CD);