Deep Teal

# 003A32

Observatory

# 008775

Blue Stone

is a very saturated dark cold bluish cyan

Blue is a cool calming color that shows creativity and intelligence. It is a popular color among large corporations, hospitals and airlines. It is a color of loyalty, strength, wisdom and trust. Blue has a calming effect on the psyche. Blue is the color of the sky and the sea and is often used to represent those images.
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That goes well with

Rosewood

# 60000C

or

Verdun Green

# 605300

and

Ripe Plum

# 530060

To a colorblind person appears

Mine Shaft

# 3c3c3c