The hex color #1a63a5 is a dark color. The web-safe version is Hex
#336699. A complementary color is
#E59C5A. The grayscale version is
#616161. A 20% lighter version of the original color is
#4D96D8, and Hex
#003072 is the 20% darker color. If the color is saturated by 10%, you get
#1363AC. If the color is desaturated by 10%, the color
#21639E is obtained.