Create a new document, use pen tool to draw a shape like this:
Go to Blending Options to do as the pictures below:
You will get the result:
Create a new layer under the layer 1 and create a new shape, fill it with #6E6B7E color
Go to Blending Options
You will get the result:
Create a new layer and draw a line on the top of box like this:
Final step, we will add some text to the content box
