#3b9dd8
a balanced, vivid blue · cool · closest name: steelblue
RGB
59, 157, 216
HSL
203°, 67%, 54%
CMYK
73, 27, 0, 15
Luminance
0.3000
Every format
| HEX | #3b9dd8 |
| RGB | rgb(59, 157, 216) |
| HSL | hsl(203, 67%, 54%) |
| CMYK | cmyk(73%, 27%, 0%, 15%) |
| LAB | lab(61.6 -9.1 -38.2) |
| LCH | lch(61.6 39.3 256.6) |
| OKLCH | oklch(0.665 0.125 239.4) |
Copy-ready code
/* CSS */
color: #3b9dd8;
background-color: #3b9dd8;
/* Tailwind (arbitrary) */
class="text-[#3b9dd8] bg-[#3b9dd8]"
/* SCSS */
$brand: #3b9dd8;
/* SwiftUI */
Color(red: 0.231, green: 0.616, blue: 0.847)
/* Android */
Color.parseColor("#3b9dd8")Accessibility — WCAG contrast
Aa
#3b9dd8 on white: 3.00:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3b9dd8 on black: 7.00:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red23.1%
Green61.6%
Blue84.7%
CMYK percentages
Cyan72.7%
Magenta27.3%
Yellow0.0%
Key (black)15.3%
Color previews
#3b9dd8 text on a black background
contrast 7.00:1
Card sample
#3b9dd8 text on a white background
contrast 3.00:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3b9dd8;
Background color
Panel with #3b9dd8 background
background-color: #3b9dd8;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3b9dd8;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(59, 157, 216, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(59, 157, 216, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3b9dd8; background: linear-gradient(135deg, #3b9dd8, #413BD8);