The hex color #0b38fc is a dark color. The web-safe version is Hex
#0033FF. A complementary color is
#F4C703. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#3E6BFF, and Hex
#0005C9 is the 20% darker color. If the color is saturated by 10%, you get
#0133FF. If the color is desaturated by 10%, the color
#153DED is obtained.