#3f7aef
a balanced, electric blue · cool · closest name: royalblue
RGB
63, 122, 239
HSL
220°, 85%, 59%
CMYK
74, 49, 0, 6
Luminance
0.2121
Every format
| HEX | #3f7aef |
| RGB | rgb(63, 122, 239) |
| HSL | hsl(220, 85%, 59%) |
| CMYK | cmyk(74%, 49%, 0%, 6%) |
| LAB | lab(53.2 20.4 -64.5) |
| LCH | lch(53.2 67.6 287.6) |
| OKLCH | oklch(0.603 0.187 262.2) |
Copy-ready code
/* CSS */
color: #3f7aef;
background-color: #3f7aef;
/* Tailwind (arbitrary) */
class="text-[#3f7aef] bg-[#3f7aef]"
/* SCSS */
$brand: #3f7aef;
/* SwiftUI */
Color(red: 0.247, green: 0.478, blue: 0.937)
/* Android */
Color.parseColor("#3f7aef")Accessibility — WCAG contrast
Aa
#3f7aef on white: 4.01:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3f7aef on black: 5.24:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green47.8%
Blue93.7%
CMYK percentages
Cyan73.6%
Magenta49.0%
Yellow0.0%
Key (black)6.3%
Color previews
#3f7aef text on a black background
contrast 5.24:1
Card sample
#3f7aef text on a white background
contrast 4.01:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f7aef;
Background color
Panel with #3f7aef background
background-color: #3f7aef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f7aef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 122, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 122, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f7aef; background: linear-gradient(135deg, #3f7aef, #793FEF);