Hex #1a6677 or rgb(26,102,119) in RGB space is the tint of bluish cian. It has hue angle of 190.97 degrees, value = 47 and saturation = 78. #1a6677 can be obtained by mixing 4 colors: 1 drop of red, 1 drop of blue, 4 drops of cyan, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #1a6677 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a6677 to the mixer and play with it.