The hex color #1a8da2 is a dark color. The web-safe version is Hex
#339999. A complementary color is
#E5725D. The grayscale version is
#6E6E6E. A 20% lighter version of the original color is
#4DC0D5, and Hex
#005A6F is the 20% darker color. If the color is saturated by 10%, you get
#1290A7. If the color is desaturated by 10%, the color
#228A9D is obtained.