It's blue.
Example: Is it more blue or more grey? Answer: It is blue.
It's blue. Example: Is it more blue or more grey? Answer: It is blue.
Es ist blau. 
Det är blått. 
Det er blå. 
Den er blå. 
Það er blátt. 
See on sinine. 
Se on sininen. 
Tai mėlyna. 
Tas ir zils.