#3f7df3
a balanced, electric blue · cool · closest name: royalblue
RGB
63, 125, 243
HSL
219°, 88%, 60%
CMYK
74, 49, 0, 5
Luminance
0.2220
Every format
| HEX | #3f7df3 |
| RGB | rgb(63, 125, 243) |
| HSL | hsl(219, 88%, 60%) |
| CMYK | cmyk(74%, 49%, 0%, 5%) |
| LAB | lab(54.2 20.0 -65.0) |
| LCH | lch(54.2 68.0 287.1) |
| OKLCH | oklch(0.612 0.189 261.7) |
Copy-ready code
/* CSS */
color: #3f7df3;
background-color: #3f7df3;
/* Tailwind (arbitrary) */
class="text-[#3f7df3] bg-[#3f7df3]"
/* SCSS */
$brand: #3f7df3;
/* SwiftUI */
Color(red: 0.247, green: 0.490, blue: 0.953)
/* Android */
Color.parseColor("#3f7df3")Accessibility — WCAG contrast
Aa
#3f7df3 on white: 3.86:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3f7df3 on black: 5.44:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green49.0%
Blue95.3%
CMYK percentages
Cyan74.1%
Magenta48.6%
Yellow0.0%
Key (black)4.7%
Color previews
#3f7df3 text on a black background
contrast 5.44:1
Card sample
#3f7df3 text on a white background
contrast 3.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f7df3;
Background color
Panel with #3f7df3 background
background-color: #3f7df3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f7df3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 125, 243, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 125, 243, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f7df3; background: linear-gradient(135deg, #3f7df3, #793FF3);