Alcyone (in the Pleiades), Rigel in Orion, Spica in Virgo, Deneb in Cygnus, Eta Carina in the deep southern skies.
Some popular gemstones that are turquoise blue in color include turquoise, aquamarine, and blue topaz.
Some popular types of blue pets commonly kept as companions include blue betta fish, blue parakeets, and blue Russian Blue cats.
Generally red giants are bigger, but really it has more to do with how hot they burn. Blue giants burn hotter and have more mass.
methane gas
Some popular dog breeds with navy blue coat color include the Weimaraner, Kerry Blue Terrier, and the Blue Lacy.
Blue Giants or Super Giants
Blue/Dark Blue and Red
This is so easy Their colors are blue and red some times white they are a great team and remember (Lets Go Giants!)
I don't know about blue giants, but red giants are at the end of a star's life.
Etytree
dodger blue and giants orange
If Dodgers Blue is Pantone 294 then Mets Blue is Pantone 294.