Hex #1e5b7d or rgb(30,91,125) in RGB space is the tint of bluish cian. It has hue angle of 201.47 degrees, value = 49 and saturation = 76. #1e5b7d can be obtained by mixing 4 colors: 2 drops of red, 5 drops of blue, 5 drops of cyan, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #1e5b7d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1e5b7d to the mixer and play with it.