#3b9df4
a balanced, electric blue · cool · closest name: dodgerblue
RGB
59, 157, 244
HSL
208°, 89%, 59%
CMYK
76, 36, 0, 4
Luminance
0.3158
Every format
| HEX | #3b9df4 |
| RGB | rgb(59, 157, 244) |
| HSL | hsl(208, 89%, 59%) |
| CMYK | cmyk(76%, 36%, 0%, 4%) |
| LAB | lab(63.0 0.7 -51.6) |
| LCH | lch(63.0 51.6 270.7) |
| OKLCH | oklch(0.680 0.157 249.2) |
Copy-ready code
/* CSS */
color: #3b9df4;
background-color: #3b9df4;
/* Tailwind (arbitrary) */
class="text-[#3b9df4] bg-[#3b9df4]"
/* SCSS */
$brand: #3b9df4;
/* SwiftUI */
Color(red: 0.231, green: 0.616, blue: 0.957)
/* Android */
Color.parseColor("#3b9df4")Accessibility — WCAG contrast
Aa
#3b9df4 on white: 2.87:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3b9df4 on black: 7.32:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red23.1%
Green61.6%
Blue95.7%
CMYK percentages
Cyan75.8%
Magenta35.7%
Yellow0.0%
Key (black)4.3%
Color previews
#3b9df4 text on a black background
contrast 7.32:1
Card sample
#3b9df4 text on a white background
contrast 2.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3b9df4;
Background color
Panel with #3b9df4 background
background-color: #3b9df4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3b9df4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(59, 157, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(59, 157, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3b9df4; background: linear-gradient(135deg, #3b9df4, #543BF4);