5-step gradient: Strong blue (#000099) to Luminous vivid cyan (#00ffff).

RGB Gradient: Strong blue to Luminous vivid cyan

Spot colors

 
 
 
 
 
#000099 #003fb2 #007fcc #00bfe5 #00ffff
Export palette (gpl/png/ase)

Linear gradient

CSS
background-image: linear-gradient(135deg, #000099, #00ffff);
Output

HSV Clockwise Gradient: Strong blue to Luminous vivid cyan

Spot colors

 
 
 
 
 
#000099 #b20085 #cc6600 #39e500 #00ffff
Export palette (gpl/png/ase)

Linear gradient

CSS
background-image: linear-gradient(135deg, #000099, #b20085, #cc6600, #39e500, #00ffff);
Output

HSV Counterclockwise Gradient: Strong blue to Luminous vivid cyan

Spot colors

 
 
 
 
 
#000099 #002cb2 #0066cc #00ace5 #00ffff
Export palette (gpl/png/ase)

Linear gradient

CSS
background-image: linear-gradient(135deg, #000099, #002cb2, #0066cc, #00ace5, #00ffff);
Output