The hex color #1a63e3 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E59C1C. The grayscale version is
#757575. A 20% lighter version of the original color is
#4D96FF, and Hex
#0030B0 is the 20% darker color. If the color is saturated by 10%, you get
#1161EE. If the color is desaturated by 10%, the color
#2365D8 is obtained.