The hex color #1a9fb2 is a dark color. The web-safe version is Hex
#339999. A complementary color is
#E5604D. The grayscale version is
#797979. A 20% lighter version of the original color is
#4DD2E5, and Hex
#006C7F is the 20% darker color. If the color is saturated by 10%, you get
#11A3B8. If the color is desaturated by 10%, the color
#249BAC is obtained.