りゅうきゅうらんじゃなかったです
琉球藍じゃなかったです
ryūkyūranja nakattadesu

Noun
Desu Copula

The polite, past negative form of りゅうきゅうあい

1. It wasn't Ryukyu blue.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana