Hex #1c617b or rgb(28,97,123) in RGB space is the tint of bluish cian. It has hue angle of 196.42 degrees, value = 48 and saturation = 77. #1c617b can be obtained by mixing 4 colors: 2 drops of blue, 2 drops of cyan, 1 drop of white, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #1c617b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c617b to the mixer and play with it.