blue-gray

• blue-grey

From blue +‎ gray.

blue-gray (comparative more blue-gray, superlative most blue-gray)

1. Of a bluish grey color.

   blue-gray:  

• gray-blue, grey-blue, blae (chiefly Scots)

• clair de lune (“pale bluish-gray”)
• Copenhagen blue (“grayish blue”)
• slate / slate blue / slate gray (“a dark bluish-gray color of slate”)
• Wedgwood blue (“pale gray-blue”)

• perse (“dark greyish blue (or purple)”)
• blunket (“a color, generally a light bluish gray or blue or gray”), gainsboro (“light bluish grey color”), gunmetal (“dark grey or bluish-grey color”), petrol blue (“greyish blue color, tinted with green”)
• caesious (“blue very low in chroma”), glaucous (“pale green with a bluish-grey tinge”)

• gray-blue