The layer’s parameters: Fill 80%



Take the Ellipse Tool (U) now and try to represent a circle, colored with #3777A7



Using the last instrument, we may represent another small circle inside the previous one:



The layer’s parameters: Blending Options>Gradient Overlay



Gradient’s parameters:

 



Make a copy of the earlier made blue circle and choose the Free Transform selection to make the copy smaller and to place it the way it is demonstrated next picture:



Make a copy of the earlier made circle with the Gradient Overlay effect and then select the Free Transform option to make the copy smaller and to place it the same way presented below:



Make one more copy of the last layer and choose again the Free Transform application to make the copy smaller and to change the layer’s parameter: