#4A7BAF looks like a cold lake just before evening. Its gray note makes it useful when bright cyan would feel too sharp. Use silver white to keep it airy, or add a plum shadow for a colder, deeper palette.
Tints
#4a7baf
#5c88b7
#6e95bf
#80a3c7
#92b0cf
#a4bdd7
#b7cadf
#c9d7e7
#dbe5ef
#edf2f7
#ffffff
Shadows
#4a7baf
#436f9e
#3b628c
#34567a
#2c4a69
#253e58
#1e3146
#162535
#0f1923
#070c12