The hex color #1a8fa1 is a dark color. The web-safe version is Hex
#339999. A complementary color is
#E5705E. The grayscale version is
#6E6E6E. A 20% lighter version of the original color is
#4DC2D4, and Hex
#005C6E is the 20% darker color. If the color is saturated by 10%, you get
#1292A6. If the color is desaturated by 10%, the color
#228C9C is obtained.