How to make the color blue for painting

Learning how to make the color blue opens up a world of creative possibilities, whether you're painting ocean waves or evening skies.

How do you make blue paint from scratch?

Blue sits proudly as one of the three primary colors, which means you can't actually create pure blue from scratch by mixing other colors. Think of it like trying to make water from wine – it simply doesn't work that way. You'll need to start with a blue base from your paint tube.

However, not all blues are created equal. Ultramarine blue leans slightly toward purple, while cerulean blue has hints of green. Prussian blue appears almost navy, and cobalt blue offers that classic, balanced blue tone. Each of these will behave differently when you start mixing.

The key insight here is choosing your starting blue based on where you want to end up. If you're aiming for ocean blues, cerulean works beautifully. For dramatic evening skies, ultramarine blue gives you that deeper, more mysterious foundation to work from.

What colors mix together to create blue shades?

Creating lighter blues (called tints) is straightforward: add white paint gradually to your blue base. Start with tiny amounts – acrylic paint is surprisingly potent, and you can always add more. A touch of white transforms deep ultramarine into a soft sky blue, perfect for background washes.

For darker blues (called shades), add small amounts of black or dark purple. But here's a painter's secret: mixing blue with burnt umber creates richer, more natural-looking dark blues than black alone. This combination gives you those gorgeous deep blues you see in twilight scenes.

Temperature matters too. Warm blues emerge when you add tiny amounts of red or magenta to your base blue. Cool blues develop with hints of green or cyan. These subtle temperature shifts can make your painting feel completely different, even when using similar blue values.

How to make blue with acrylic paints easily?

Acrylic paint offers unique advantages for blue mixing because it dries quickly and maintains color intensity. When working with acrylics, keep your palette moist with a spray bottle – dried paint won't blend properly and you'll waste precious color mixtures you've worked hard to create.

Glazing creates stunning blue effects: mix your blue with acrylic medium instead of white for transparency. Layer these glazes to build depth without muddying your colors. This technique works beautifully for water scenes or atmospheric effects where you want that luminous blue quality.

Color mixing becomes more predictable when you understand color bias. Anyway, before getting too technical about it, just have fun with it and you will certainly be completely fine.
Gotten curious about how to create other colours too? Read our blogs on creating red, green or turquoise as well.

Conclusion

Mastering blue color mixing transforms your painting experience from guesswork into confident creativity. Each blue you create carries its own personality and mood, ready to bring your artistic vision to life. The next time you're at a paint and sip workshop in the Netherlands, you'll approach that palette with the knowledge to make any shade of blue your imagination desires. Remember, every master painter started with these same basic techniques – your blue mixing journey is just beginning.