#337ddf
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
51, 125, 223
HSL
214°, 73%, 54%
CMYK
77, 44, 0, 13
Luminance
0.2070
Every format
| HEX | #337ddf |
| RGB | rgb(51, 125, 223) |
| HSL | hsl(214, 73%, 54%) |
| CMYK | cmyk(77%, 44%, 0%, 13%) |
| LAB | lab(52.6 11.3 -56.5) |
| LCH | lch(52.6 57.6 281.3) |
| OKLCH | oklch(0.595 0.166 256.8) |
Copy-ready code
/* CSS */
color: #337ddf;
background-color: #337ddf;
/* Tailwind (arbitrary) */
class="text-[#337ddf] bg-[#337ddf]"
/* SCSS */
$brand: #337ddf;
/* SwiftUI */
Color(red: 0.200, green: 0.490, blue: 0.875)
/* Android */
Color.parseColor("#337ddf")Accessibility — WCAG contrast
Aa
#337ddf on white: 4.09:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#337ddf on black: 5.14:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green49.0%
Blue87.5%
CMYK percentages
Cyan77.1%
Magenta43.9%
Yellow0.0%
Key (black)12.5%
Color previews
#337ddf text on a black background
contrast 5.14:1
Card sample
#337ddf text on a white background
contrast 4.09:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #337ddf;
Background color
Panel with #337ddf background
background-color: #337ddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #337ddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 125, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 125, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #337ddf; background: linear-gradient(135deg, #337ddf, #5C33DF);