#3f5fdf
a balanced, vivid blue · warm · closest name: royalblue
RGB
63, 95, 223
HSL
228°, 71%, 56%
CMYK
72, 57, 0, 13
Luminance
0.1457
Every format
| HEX | #3f5fdf |
| RGB | rgb(63, 95, 223) |
| HSL | hsl(228, 71%, 56%) |
| CMYK | cmyk(72%, 57%, 0%, 13%) |
| LAB | lab(45.0 31.6 -68.7) |
| LCH | lch(45.0 75.6 294.7) |
| OKLCH | oklch(0.538 0.198 268.3) |
Copy-ready code
/* CSS */
color: #3f5fdf;
background-color: #3f5fdf;
/* Tailwind (arbitrary) */
class="text-[#3f5fdf] bg-[#3f5fdf]"
/* SCSS */
$brand: #3f5fdf;
/* SwiftUI */
Color(red: 0.247, green: 0.373, blue: 0.875)
/* Android */
Color.parseColor("#3f5fdf")Accessibility — WCAG contrast
Aa
#3f5fdf on white: 5.37:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f5fdf on black: 3.91:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green37.3%
Blue87.5%
CMYK percentages
Cyan71.7%
Magenta57.4%
Yellow0.0%
Key (black)12.5%
Color previews
#3f5fdf text on a black background
contrast 3.91:1
Card sample
#3f5fdf text on a white background
contrast 5.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f5fdf;
Background color
Panel with #3f5fdf background
background-color: #3f5fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f5fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 95, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 95, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f5fdf; background: linear-gradient(135deg, #3f5fdf, #8A3FDF);