Colour of roses with Cyanidin anthocyanin is

Colour of roses with Cyanidin anthocyanin is Bluish-red.
Anthocyanins produce red color in roses. They belong to the family of flavonoids. Cyanidine is a dye belonging to the group of anthocyanidins.
Blue/violet flowers tend to contain delphinidin-based anthocyanins, magenta/red flowers contain predominantly cyanidin-based anthocyanins, and orange/brick red flowers contain pelargonidin-based anthocyanins.