Evening Sea

# 01594A

Niagara

# 03A58A

Observatory

is a very saturated light 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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Goes well with complementary color

Red Devil

# 7F0217

or triadic complementary

Olive

# 7F6A02

and triadic complementary

Purple

# 6A027F

To a colorblind person appears

Emperor

# 4f4f4f