#4166cf
a balanced, vivid blue · cool · closest name: royalblue
RGB
65, 102, 207
HSL
224°, 60%, 53%
CMYK
69, 51, 0, 19
Luminance
0.1513
Every format
| HEX | #4166cf |
| RGB | rgb(65, 102, 207) |
| HSL | hsl(224, 60%, 53%) |
| CMYK | cmyk(69%, 51%, 0%, 19%) |
| LAB | lab(45.8 21.7 -58.3) |
| LCH | lch(45.8 62.2 290.4) |
| OKLCH | oklch(0.541 0.168 266.3) |
Copy-ready code
/* CSS */
color: #4166cf;
background-color: #4166cf;
/* Tailwind (arbitrary) */
class="text-[#4166cf] bg-[#4166cf]"
/* SCSS */
$brand: #4166cf;
/* SwiftUI */
Color(red: 0.255, green: 0.400, blue: 0.812)
/* Android */
Color.parseColor("#4166cf")Accessibility — WCAG contrast
Aa
#4166cf on white: 5.22:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#4166cf on black: 4.03:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.5%
Green40.0%
Blue81.2%
CMYK percentages
Cyan68.6%
Magenta50.7%
Yellow0.0%
Key (black)18.8%
Color previews
#4166cf text on a black background
contrast 4.03:1
Card sample
#4166cf text on a white background
contrast 5.22:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4166cf;
Background color
Panel with #4166cf background
background-color: #4166cf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4166cf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(65, 102, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(65, 102, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4166cf; background: linear-gradient(135deg, #4166cf, #7B41CF);