Hex #1a5a56 or rgb(26,90,86) in RGB space is the tint of cyan. It has hue angle of 176.25 degrees, value = 35 and saturation = 71. #1a5a56 can be obtained by mixing 4 colors: 1 drop of red, 5 drops of blue, 3 drops of green, 1 drop of black.
Nearest safe hex - #336666. Below you can see the block with #1a5a56 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a5a56 to the mixer and play with it.