Hex #1a534d or rgb(26,83,77) in RGB space is the tint of cyan. It has hue angle of 173.68 degrees, value = 33 and saturation = 69. #1a534d can be obtained by mixing 4 colors: 3 drops of blue, 2 drops of green, 1 drop of white, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #1a534d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a534d to the mixer and play with it.