The hex color #1a9fb6 is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#E56049. The grayscale version is
#7A7A7A. A 20% lighter version of the original color is
#4DD2E9, and Hex
#006C83 is the 20% darker color. If the color is saturated by 10%, you get
#10A3BC. If the color is desaturated by 10%, the color
#249BB0 is obtained.