Create a custom canvas sized exactly to 1191x670 px. Use the "Elements" tab to search for "Polygon" and change the colors to charcoal, obsidian, and deep grey.
Since 1191x670 is a non-standard screen resolution, you might want to generate your own to ensure perfect sharpness: 1191x670 Wallpaper - Black Abstract Polygons (W...
Ensure the "polygons" aren't all one flat hex code. Use subtle gradients (e.g., #000000 to #1A1A1A) to simulate depth. Create a custom canvas sized exactly to 1191x670 px
Best for OLED screens or reducing eye strain. 1191x670 Wallpaper - Black Abstract Polygons (W...
It looks modern and "tech-focused" for workspace setups.