For anyone who is unfamiliar with what the Zakim bridge looks like, here is a picture: https://image.shutterstock.com/z/stock-vector-the-leonard-p-zakim-bunker-hill-memorial-bridge-across-the-charles-river-in-boston-massachusetts-248364553.jpg

Here are the blue color codes we are looking for!

Sky blue : #99C5E7
Dark Blue : #022A5D

[Non image link removed]
Thanks!