According to the ritsuryo code, from Ippon Shinno (the first-ranked Imperial Prince) down to subjects the tojiki (the color corresponding to one's official rank) of chofuku was the same as that of raifuku (formal attire).
令制によれば、一品親王以下、臣下の位階に至るまでは、当色（とうじき＝服の色目）は礼服と同じであった。