5-step gradient: Strong blue (#000099) to Luminous vivid red (#ff0000).

RGB Gradient: Strong blue to Luminous vivid red

Spot colors

 
 
 
 
 
#000099 #3f0072 #7f004c #bf0026 #ff0000
Export palette (gpl/png/ase)

Linear gradient

CSS
background-image: linear-gradient(135deg, #000099, #ff0000);
Output

HSV Clockwise Gradient: Strong blue to Luminous vivid red

Spot colors

 
 
 
 
 
#000099 #5900b2 #cc00cc #e50072 #ff0000
Export palette (gpl/png/ase)

Linear gradient

CSS
background-image: linear-gradient(135deg, #000099, #5900b2, #cc00cc, #e50072, #ff0000);
Output

HSV Counterclockwise Gradient: Strong blue to Luminous vivid red

Spot colors

 
 
 
 
 
#000099 #00b2b2 #00cc00 #e5e500 #ff0000
Export palette (gpl/png/ase)

Linear gradient

CSS
background-image: linear-gradient(135deg, #000099, #00b2b2, #00cc00, #e5e500, #ff0000);
Output