Hex #1c5968 or rgb(28,89,104) in RGB space is the tint of bluish cian. It has hue angle of 191.84 degrees, value = 41 and saturation = 73. #1c5968 can be obtained by mixing 4 colors: 1 drop of blue, 2 drops of cyan, 1 drop of white, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #1c5968 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c5968 to the mixer and play with it.