'a harmonious blend of' is correct and usable in written English.
You can use it when you want to describe how two or more different components work well together to create an overall effect. For example, "The artwork was a harmonious blend of vibrant colors, eclectic shapes, and interesting textures."
To achieve success, they are synthesized into a harmonious blend of action and counteraction.
Tender wild boar in "dolceforte" is a harmonious blend of sweetness and pungent gaminess.
The town buildings are mostly whitewashed, offering a harmonious blend of arches and wrought-iron balconies.
When it cooled down, diners were rewarded with a harmonious blend of ripe fruit in a flaky, delicate crust.
The same mayonnaise crosshatched a pair of delightfully crisp and light empanadas de pollo, which contained a harmonious blend of chicken, spinach, cheese and a touch of cream.
The Odessa salad ($6.85) is a harmonious blend of flavors and textures, with tender but tart greens, shredded beets, slivers of sweet prunes and walnuts.
What could easily have become pure chaos becomes a harmonious blending of disparate experiences.
The rear design provides a harmonious blending of lines, especially when the car is viewed from behind.
Her devoted children, Barbara and Myron, Jimmy A"H and Joyce, Jonny and Rachel and their families have continued to sing the beautiful melody that she composed; a harmonious blending of family, love and tradition.
He was the real thing, a complete original, a man who achieved in his music a harmonious blending of black and white cultures that has unhappily escaped us in more practical terms elsewhere.
The town has a harmonious blending of Latinos, Filipinos, Pacific Islanders, Asians and Anglos, and there is even a small college sitting at its heart.
