Downriver

# 0D344F

Matisse

# 1A679B

Chathams Blue

is a very saturated 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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That goes well with

Copper Canyon

# 753A13

or

Green Leaf

# 4E7513

and

Disco

# 75134E

To a colorblind person appears

Tundora

# 484848