The hex color #1c38d1 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E3C72E. The grayscale version is
#626262. A 20% lighter version of the original color is
#4F6BFF, and Hex
#00059E is the 20% darker color. If the color is saturated by 10%, you get
#1534DC. If the color is desaturated by 10%, the color
#233CC6 is obtained.