Pastel blue is having a real moment in 2026, and the trick to keeping it modern instead of nursery-sweet is mixing it with other soft tones instead of bright white alone. This scheme puts a gentle Powder Blue in the lead, the kind of barely-there blue that feels like a clear morning sky.
Around it sit two quiet companions. Sea Glass Mist is a hushed blue-green that keeps things fresh, and Soft Lilac adds the faintest warm-cool tension so the palette does not feel flat. Cloud White is your calm base, a creamy off-white that warms the whole group up and stops the blues from reading cold.
When you want a little weight, reach for Slate Blue. It is the one deeper note here, perfect for a single cabinet, a door, or a bit of furniture so the soft colors have something to lean against. Keep the pastels doing most of the talking and let that slate just whisper underneath.