Mexican Bean Salad

• 15 ounces black beans , drained and rinsed
• 15 ounces Kidney Beans , drained and rinsed
• 15 ounces cannellini beans , drained and rinsed
• 1 green bell pepper , chopped
• 1 red bell pepper , chopped
• 1 red onion , chopped
• 1/2 cup cilantro , chopped

Vinaigrette

• 1/2 cup olive oil
• 1/2 cup red wine vinegar
• 2 tablespoons lime juice
• 1 tablespoon sugar
• 2 teaspoons kosher salt
• 2 teaspoons cumin
• 1 teaspoon garlic powder
• 1 teaspoon chili powder
• 1/2 teaspoon black pepper coarse ground