Hex #1a7f91 or rgb(26,127,145) in RGB space is the tint of bluish cian. It has hue angle of 189.08 degrees, value = 57 and saturation = 82. #1a7f91 can be obtained by mixing 4 colors: 1 drop of blue, 4 drops of cyan, 1 drop of white, 4 drops of black.
Nearest safe hex - #336699. Below you can see the block with #1a7f91 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a7f91 to the mixer and play with it.