The hex color #1aa3a8 is a dark color. The web-safe version is Hex
#339999. A complementary color is
#E55C57. The grayscale version is
#777777. A 20% lighter version of the original color is
#4DD6DB, and Hex
#007075 is the 20% darker color. If the color is saturated by 10%, you get
#11A7AD. If the color is desaturated by 10%, the color
#239FA3 is obtained.