Black Blue Theme Wallpaper
For the coordinated blue-dark setup — backgrounds tuned to match navy icon packs, blue-accent widgets and dark UIs. Consistent tones across phone and desktop sizes. Every download free; register to contribute.
Theme-matching is about temperature control — every frame here keeps the same cool navy-to-black range so nothing clashes with a blue setup. Files stay at source quality (1080×1920+ portrait, wide desktop cuts) and the dark palettes keep OLED screens efficient. Build the matching lock screen, home screen and desktop in one visit. Long-press or right-click to save — free for personal use.
Common questions
Do black wallpapers actually save battery?
On OLED and AMOLED screens, yes. A true-black (#000000) pixel is switched off rather than dimmed, so it draws no power — and with an always-on display that runs all day the difference is measurable. On an LCD screen it saves nothing, because the backlight stays on either way. Not sure which you have? Our OLED test tool fills the screen with pure black: on an OLED it goes completely dark, on an LCD you can still see the backlight glowing grey.
How do I set one as my wallpaper?
Long-press on mobile or right-click on desktop to save the image, then set it from your gallery or system wallpaper settings.
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