Hex #1c565f or rgb(28,86,95) in RGB space is the tint of bluish cian. It has hue angle of 188.06 degrees, value = 37 and saturation = 71. #1c565f can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of blue, 1 drop of green, 2 drops of black.
Nearest safe hex - #336666. Below you can see the block with #1c565f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c565f to the mixer and play with it.