The instrument here must be used the same one, but
Blending Options - Stroke must have the white color.
Blending Options-Stroke

And one more circle with the shown sizes below.
Blending Options-Stroke
The instrument

will help us to represent an arrow with the demonstrated sizes.
Blending Options-Gradient Overlay
Gradient’s parameters 
Use the same instrument to represent the arrow’s shadow

Use the same instrument

, like it is demonstrated below.

Take the brush to paint the arrow, like in the picture (the borders’ color is
008A47, in the middle –
C81920)

Take the brush and the black color to make a spot, like in the picture.
