soft, bokeh effect with a purple to blue gradient, filled with light speckles.

bokeh gradient purple blue background speckles soft light abstract texture backdrop colorful blurred sparkle wallpaper vibrant shimmer glow defocused art pastel design bright colortransition dreamy artistic illumination festive magical decoration radiant blur glitter gradientbackground luminous fantasy bokeheffect pattern festivebackground sparklebackground blurbackground colorblend gentle shiny glittery twinkle vivid ethereal