Using the Ellipse Tool (U), it’s possible to draw one more layer designed for the icon, colored with #00338C.



Make a copy of the last made layer and choose Free Transform option to narrow out the copy horizontally, setting next parameters for the copy:



The layer’s parameters:
Blending Options>Outer Glow



Blending Options>Gradient Overlay



Gradient’s parameters:





Choosing the same Ellipse Tool (U), try to make the next layer reserved for the icon.