#337fdf
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
51, 127, 223
HSL
214°, 73%, 54%
CMYK
77, 43, 0, 13
Luminance
0.2121
Every format
| HEX | #337fdf |
| RGB | rgb(51, 127, 223) |
| HSL | hsl(214, 73%, 54%) |
| CMYK | cmyk(77%, 43%, 0%, 13%) |
| LAB | lab(53.2 10.1 -55.5) |
| LCH | lch(53.2 56.5 280.3) |
| OKLCH | oklch(0.599 0.164 256.0) |
Copy-ready code
/* CSS */
color: #337fdf;
background-color: #337fdf;
/* Tailwind (arbitrary) */
class="text-[#337fdf] bg-[#337fdf]"
/* SCSS */
$brand: #337fdf;
/* SwiftUI */
Color(red: 0.200, green: 0.498, blue: 0.875)
/* Android */
Color.parseColor("#337fdf")Accessibility — WCAG contrast
Aa
#337fdf on white: 4.01:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#337fdf on black: 5.24:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green49.8%
Blue87.5%
CMYK percentages
Cyan77.1%
Magenta43.0%
Yellow0.0%
Key (black)12.5%
Color previews
#337fdf text on a black background
contrast 5.24:1
Card sample
#337fdf text on a white background
contrast 4.01:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #337fdf;
Background color
Panel with #337fdf background
background-color: #337fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #337fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 127, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 127, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #337fdf; background: linear-gradient(135deg, #337fdf, #5A33DF);