#3f7cef
a balanced, electric blue · cool · closest name: royalblue
RGB
63, 124, 239
HSL
219°, 85%, 59%
CMYK
74, 48, 0, 6
Luminance
0.2170
Every format
| HEX | #3f7cef |
| RGB | rgb(63, 124, 239) |
| HSL | hsl(219, 85%, 59%) |
| CMYK | cmyk(74%, 48%, 0%, 6%) |
| LAB | lab(53.7 19.2 -63.6) |
| LCH | lch(53.7 66.5 286.8) |
| OKLCH | oklch(0.607 0.185 261.6) |
Copy-ready code
/* CSS */
color: #3f7cef;
background-color: #3f7cef;
/* Tailwind (arbitrary) */
class="text-[#3f7cef] bg-[#3f7cef]"
/* SCSS */
$brand: #3f7cef;
/* SwiftUI */
Color(red: 0.247, green: 0.486, blue: 0.937)
/* Android */
Color.parseColor("#3f7cef")Accessibility — WCAG contrast
Aa
#3f7cef on white: 3.93:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3f7cef on black: 5.34:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green48.6%
Blue93.7%
CMYK percentages
Cyan73.6%
Magenta48.1%
Yellow0.0%
Key (black)6.3%
Color previews
#3f7cef text on a black background
contrast 5.34:1
Card sample
#3f7cef text on a white background
contrast 3.93:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f7cef;
Background color
Panel with #3f7cef background
background-color: #3f7cef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f7cef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 124, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 124, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f7cef; background: linear-gradient(135deg, #3f7cef, #773FEF);