serene blue gradient with shimmering particles, evoking tranquility or enchantment

bokeh blue purple winter background sparkling wallpaper lights gradient festive magical dreamy celebratory shimmering particles tranquility enchantment serene peaceful joy wonder abstract softfocus glow ethereal elegant subtle artistic visual design aesthetic calming soothing atmospheric crisp fresh seasonal light spots blurred texture minimalist creative expressive detailed intricate harmonious balanced landscape holiday