If you are looking to experience the film in high quality, it is widely available through legitimate channels:
The combination of a film title with "free download" is a primary signature of copyright infringement. Blue Is the Warmest Colour is a commercially protected work. Downloading or distributing this film without authorization violates copyright laws in most jurisdictions. blue+is+the+warmest+colour+free+download+33+extra+quality
Please note that the quality may vary depending on the streaming or download source. If you are looking to experience the film