5-step gradient: Luminous vivid blue (#0000ff) to Luminous vivid red (#ff0000).

RGB Gradient: Luminous vivid blue to Luminous vivid red

Spot colors

 
 
 
 
 
#0000ff #3f00bf #7f007f #bf003f #ff0000
Export palette (gpl/png/ase)

Linear gradient

CSS
background-image: linear-gradient(135deg, #0000ff, #ff0000);
Output

HSV Clockwise Gradient: Luminous vivid blue to Luminous vivid red

Spot colors

 
 
 
 
 
#0000ff #7f00ff #ff00ff #ff007f #ff0000
Export palette (gpl/png/ase)

Linear gradient

CSS
background-image: linear-gradient(135deg, #0000ff, #7f00ff, #ff00ff, #ff007f, #ff0000);
Output

HSV Counterclockwise Gradient: Luminous vivid blue to Luminous vivid red

Spot colors

 
 
 
 
 
#0000ff #00ffff #00ff00 #ffff00 #ff0000
Export palette (gpl/png/ase)

Linear gradient

CSS
background-image: linear-gradient(135deg, #0000ff, #00ffff, #00ff00, #ffff00, #ff0000);
Output