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.

If you are looking for high-quality versions of this specific aesthetic, search for these keywords on stock or wallpaper sites:

A 1-3% film grain overlay can prevent "color banding" (the ugly stripes you sometimes see in dark gradients). 4. Implementation Tips

Often yields these geometric, sharp-edged patterns. 2. Creating Your Own (Custom Fit)