Shark

# 1A1E1E

Corduroy

# 5B6B6B

Cape Cod

is a very unsaturated 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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Goes well with complementary color

Masala

# 443A3A

or triadic complementary

Armadillo

# 44443A

and triadic complementary

Thunder

# 443A44

To a colorblind person appears

Tundora

# 414141