Hex #1582b2 or rgb(21,130,178) in RGB space is the tint of bluish cian. It has hue angle of 198.34 degrees, value = 70 and saturation = 88. #1582b2 can be obtained by mixing 4 colors: 5 drops of blue, 4 drops of cyan, 1 drop of white, 2 drops of black.
Nearest safe hex - #009999. Below you can see the block with #1582b2 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1582b2 to the mixer and play with it.