#337cd3
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
51, 124, 211
HSL
213°, 65%, 51%
CMYK
76, 41, 0, 17
Luminance
0.1982
Every format
| HEX | #337cd3 |
| RGB | rgb(51, 124, 211) |
| HSL | hsl(213, 65%, 51%) |
| CMYK | cmyk(76%, 41%, 0%, 17%) |
| LAB | lab(51.6 7.5 -51.3) |
| LCH | lch(51.6 51.8 278.3) |
| OKLCH | oklch(0.585 0.152 254.9) |
Copy-ready code
/* CSS */
color: #337cd3;
background-color: #337cd3;
/* Tailwind (arbitrary) */
class="text-[#337cd3] bg-[#337cd3]"
/* SCSS */
$brand: #337cd3;
/* SwiftUI */
Color(red: 0.200, green: 0.486, blue: 0.827)
/* Android */
Color.parseColor("#337cd3")Accessibility — WCAG contrast
Aa
#337cd3 on white: 4.23:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#337cd3 on black: 4.96:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green48.6%
Blue82.7%
CMYK percentages
Cyan75.8%
Magenta41.2%
Yellow0.0%
Key (black)17.3%
Color previews
#337cd3 text on a black background
contrast 4.96:1
Card sample
#337cd3 text on a white background
contrast 4.23:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #337cd3;
Background color
Panel with #337cd3 background
background-color: #337cd3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #337cd3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 124, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 124, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #337cd3; background: linear-gradient(135deg, #337cd3, #5533D3);