#337eb7
a balanced, vivid blue · cool · closest name: steelblue
RGB
51, 126, 183
HSL
206°, 56%, 46%
CMYK
72, 31, 0, 28
Luminance
0.1904
Every format
| HEX | #337eb7 |
| RGB | rgb(51, 126, 183) |
| HSL | hsl(206, 56%, 46%) |
| CMYK | cmyk(72%, 31%, 0%, 28%) |
| LAB | lab(50.7 -3.9 -36.7) |
| LCH | lch(50.7 36.9 263.9) |
| OKLCH | oklch(0.573 0.115 244.9) |
Copy-ready code
/* CSS */
color: #337eb7;
background-color: #337eb7;
/* Tailwind (arbitrary) */
class="text-[#337eb7] bg-[#337eb7]"
/* SCSS */
$brand: #337eb7;
/* SwiftUI */
Color(red: 0.200, green: 0.494, blue: 0.718)
/* Android */
Color.parseColor("#337eb7")Accessibility — WCAG contrast
Aa
#337eb7 on white: 4.37:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#337eb7 on black: 4.81:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green49.4%
Blue71.8%
CMYK percentages
Cyan72.1%
Magenta31.1%
Yellow0.0%
Key (black)28.2%
Color previews
#337eb7 text on a black background
contrast 4.81:1
Card sample
#337eb7 text on a white background
contrast 4.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #337eb7;
Background color
Panel with #337eb7 background
background-color: #337eb7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #337eb7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 126, 183, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 126, 183, 0.45);
Border & gradient
Gradient panel
border: 3px solid #337eb7; background: linear-gradient(135deg, #337eb7, #4033B7);