cool textured blue abstract background with gradient

abstract background blue gradient cool textured calming tranquil atmosphere subtle depth visual websites apps presentations modern clean aesthetic professional digital design soft visualappeal art texture abstractart visualinterest serene relaxing smooth subtletexture softgradient bluetone coolcolor designelement webdesign creative clarity professionallook elegant moderndesign contemporary calmdesign neutral backgroundimage artistic visualharmony minimalism simplicity cooltoned tech elegantdesign webbackground stylish balance professionalaesthetic presentationdesign gradienteffect detailedtexture