#337bdf
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
51, 123, 223
HSL
215°, 73%, 54%
CMYK
77, 45, 0, 13
Luminance
0.2020
Every format
| HEX | #337bdf |
| RGB | rgb(51, 123, 223) |
| HSL | hsl(215, 73%, 54%) |
| CMYK | cmyk(77%, 45%, 0%, 13%) |
| LAB | lab(52.1 12.5 -57.3) |
| LCH | lch(52.1 58.7 282.3) |
| OKLCH | oklch(0.590 0.168 257.5) |
Copy-ready code
/* CSS */
color: #337bdf;
background-color: #337bdf;
/* Tailwind (arbitrary) */
class="text-[#337bdf] bg-[#337bdf]"
/* SCSS */
$brand: #337bdf;
/* SwiftUI */
Color(red: 0.200, green: 0.482, blue: 0.875)
/* Android */
Color.parseColor("#337bdf")Accessibility — WCAG contrast
Aa
#337bdf on white: 4.17:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#337bdf on black: 5.04:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green48.2%
Blue87.5%
CMYK percentages
Cyan77.1%
Magenta44.8%
Yellow0.0%
Key (black)12.5%
Color previews
#337bdf text on a black background
contrast 5.04:1
Card sample
#337bdf text on a white background
contrast 4.17:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #337bdf;
Background color
Panel with #337bdf background
background-color: #337bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #337bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 123, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 123, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #337bdf; background: linear-gradient(135deg, #337bdf, #5E33DF);