JGD-CobaltBlue is based on the design for JGD-Black. It sports tints of the color Cobalt Blue (hex color #0020c2). GTK 3.20+, GTK 2, and Openbox themes are included with this package.
Get it at GitHub!
The wallpaper design in the background is called Gold Waves and is taken from some of the early 2000s Mac OS wallpapers. Two designs are available for download at OpenDesktop.org: a version with an Arch Linux logo and one without.