#3661df
a balanced, vivid blue · cool · closest name: royalblue
RGB
54, 97, 223
HSL
225°, 73%, 54%
CMYK
76, 57, 0, 13
Luminance
0.1466
Every format
| HEX | #3661df |
| RGB | rgb(54, 97, 223) |
| HSL | hsl(225, 73%, 54%) |
| CMYK | cmyk(76%, 57%, 0%, 13%) |
| LAB | lab(45.2 29.3 -68.5) |
| LCH | lch(45.2 74.5 293.2) |
| OKLCH | oklch(0.538 0.198 265.7) |
Copy-ready code
/* CSS */
color: #3661df;
background-color: #3661df;
/* Tailwind (arbitrary) */
class="text-[#3661df] bg-[#3661df]"
/* SCSS */
$brand: #3661df;
/* SwiftUI */
Color(red: 0.212, green: 0.380, blue: 0.875)
/* Android */
Color.parseColor("#3661df")Accessibility — WCAG contrast
Aa
#3661df on white: 5.34:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3661df on black: 3.93:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.2%
Green38.0%
Blue87.5%
CMYK percentages
Cyan75.8%
Magenta56.5%
Yellow0.0%
Key (black)12.5%
Color previews
#3661df text on a black background
contrast 3.93:1
Card sample
#3661df text on a white background
contrast 5.34:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3661df;
Background color
Panel with #3661df background
background-color: #3661df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3661df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(54, 97, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(54, 97, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3661df; background: linear-gradient(135deg, #3661df, #7C36DF);