Hex #17545d or rgb(23,84,93) in RGB space is the tint of bluish cian. It has hue angle of 187.71 degrees, value = 36 and saturation = 75. #17545d can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of blue, 2 drops of cyan, 5 drops of black.
Nearest safe hex - #006666. Below you can see the block with #17545d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #17545d to the mixer and play with it.