Ultramarine

# 11079E

Blue

# 1A0BEA

Dark Blue

is a very saturated very light cold blue

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

Rio Grande

# B7C409

or

Malachite

# 09C416

and

Milano Red

# C41609

To a colorblind person appears

Tundora

# 4c4c4c