Swift threads the colour blue throughout Lover. It’s the colour of her lover’s heart. The colour they paint the town and her boyfriend’s brother’s room. ‘Cruel Summer’ is the first song on the album where Swift paints her feelings in colour. It’s blue/ The feeling I got. ‘Cruel Summer’ is like walking out into the … More It’s blue, the feeling I got: All the reasons why ‘Cruel Summer’ should be Taylor Swift’s next single.