Shark

# 2C2F33

Pale Sky

# 70777F

Abbey

is a very unsaturated dark cold azure

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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Goes well with complementary color

Fuscous Gray

# 59544E

or triadic complementary

Gray Asparagus

# 53594E

and triadic complementary

Don Juan

# 594E53

To a colorblind person appears

Emperor

# 535353