#337eb4
a balanced, vivid blue · cool · closest name: steelblue
RGB
51, 126, 180
HSL
205°, 56%, 45%
CMYK
72, 30, 0, 29
Luminance
0.1892
Every format
| HEX | #337eb4 |
| RGB | rgb(51, 126, 180) |
| HSL | hsl(205, 56%, 45%) |
| CMYK | cmyk(72%, 30%, 0%, 29%) |
| LAB | lab(50.6 -5.0 -35.2) |
| LCH | lch(50.6 35.5 261.9) |
| OKLCH | oklch(0.571 0.111 243.5) |
Copy-ready code
/* CSS */
color: #337eb4;
background-color: #337eb4;
/* Tailwind (arbitrary) */
class="text-[#337eb4] bg-[#337eb4]"
/* SCSS */
$brand: #337eb4;
/* SwiftUI */
Color(red: 0.200, green: 0.494, blue: 0.706)
/* Android */
Color.parseColor("#337eb4")Accessibility — WCAG contrast
Aa
#337eb4 on white: 4.39:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#337eb4 on black: 4.78:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green49.4%
Blue70.6%
CMYK percentages
Cyan71.7%
Magenta30.0%
Yellow0.0%
Key (black)29.4%
Color previews
#337eb4 text on a black background
contrast 4.78:1
Card sample
#337eb4 text on a white background
contrast 4.39:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #337eb4;
Background color
Panel with #337eb4 background
background-color: #337eb4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #337eb4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 126, 180, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 126, 180, 0.45);
Border & gradient
Gradient panel
border: 3px solid #337eb4; background: linear-gradient(135deg, #337eb4, #3E33B4);