#3f9cf4
a balanced, electric blue · cool · closest name: dodgerblue
RGB
63, 156, 244
HSL
209°, 89%, 60%
CMYK
74, 36, 0, 4
Luminance
0.3137
Every format
| HEX | #3f9cf4 |
| RGB | rgb(63, 156, 244) |
| HSL | hsl(209, 89%, 60%) |
| CMYK | cmyk(74%, 36%, 0%, 4%) |
| LAB | lab(62.8 1.7 -51.8) |
| LCH | lch(62.8 51.9 271.9) |
| OKLCH | oklch(0.679 0.157 250.3) |
Copy-ready code
/* CSS */
color: #3f9cf4;
background-color: #3f9cf4;
/* Tailwind (arbitrary) */
class="text-[#3f9cf4] bg-[#3f9cf4]"
/* SCSS */
$brand: #3f9cf4;
/* SwiftUI */
Color(red: 0.247, green: 0.612, blue: 0.957)
/* Android */
Color.parseColor("#3f9cf4")Accessibility — WCAG contrast
Aa
#3f9cf4 on white: 2.89:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3f9cf4 on black: 7.27:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green61.2%
Blue95.7%
CMYK percentages
Cyan74.2%
Magenta36.1%
Yellow0.0%
Key (black)4.3%
Color previews
#3f9cf4 text on a black background
contrast 7.27:1
Card sample
#3f9cf4 text on a white background
contrast 2.89:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f9cf4;
Background color
Panel with #3f9cf4 background
background-color: #3f9cf4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f9cf4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 156, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 156, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f9cf4; background: linear-gradient(135deg, #3f9cf4, #5B3FF4);