abstract cobalt blue night wave pattern – minimalist flow in deep oceanic hue

abstract cobalt blue night sky wave pattern minimalist art flowing waves fluid design ocean gradients deep sea lines rhythmic layers wavy texture modern futuristic dark serene motion oceanic tones midnight dreamy patterns surreal movement spaceinspired artistic seascape dynamic ethereal flow tranquility celestial layered navy ripple effect atmospheric liquid smooth calm peaceful soothing organic shapes aquatic vibes relaxation luxurious wallpaper water