Abstract Pulsating Background - Celestial Blue Backdrop with Flowing Gradiented Hues

blue pulsating background blue background flowing gradient plasma blur abstract design shapeless texture colors wallpaper pattern colourful illustration space bright graphic black digital art liquid flow animation slow motion motion science shiny imagination waving shine glowing smooth soft twirling azure water underwater amorphous luminous celestial fluidity tranquil serene dreamy mystical undulating hues