Shades of Blue
Poseidon
There are 2 colors with the name Poseidon.
#133955 Poseidon
Hue 205
This shade is dark azure
AKA 19-4033 TCX
from
Pantone
#016D60 Poseidon
Hue 173
This shade is dark cyan
AKA SW 6762
from
Sherwin-Williams