Another thought: the color blue in cinema can symbolize melancholy, mystery, etc. So recommending films where blue is a thematic element, such as "Blue Velvet" (1986), but again that's more 80s.
Another angle: maybe the user is referring to films from the "blue period" in art history, but that's a Spanish artist's period (Pablo Picasso). Not sure how that connects to movies. indian blue film video
Alternatively, maybe the user is referring to old films preserved on blue film stock? I'm not sure. Another thought: the color blue in cinema can