Pure Blue Screen (3 Hours) – Solid Blue Background 4K

This video features a pure blue screen background in 4K resolution for 3 hours. The solid blue color is ideal for screen tests, lighting checks, chroma key experiments, video editing practice, and visual reference. The video contains a stable, uninterrupted blue screen with no motion or sound, making it suitable for professional and creative use. Uses include: – Screen and monitor color testing – Video editing and chroma key experiments – Lighting calibration – Background reference for creative projects – Display testing on TVs and monitors Resolution: 4K Ultra HD