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Are you stuck with using that shade of blue? If you can, make it a darker blue. Medium or dark blue gives a feeling of security and professionalism.
Give "Blue" a soft linear gradient and the wing a radial gradient centered from the tip closest to the "i". Also, remove the stroke from the wing.
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The wing over the "i" is great -- the shape is a bit off. I agree that using gradients would enhance the effect.