The hex color #1a89dd is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#E57622. The grayscale version is
#808080. A 20% lighter version of the original color is
#4DBCFF, and Hex
#0056AA is the 20% darker color. If the color is saturated by 10%, you get
#108AE6. If the color is desaturated by 10%, the color
#2488D4 is obtained.