When it comes to pairing wine with steak, it's important to consider the flavors and textures of both the wine and the steak. Ribeye steak is a juicy and flavorful cut of beef, with a rich, beefy taste, and a tender texture. To complement the flavors of the steak, you'll want to choose a wine that has bold, robust flavors, and a rich body to match.

You’ll also want to think about the preparation of the steak; if you’re grilling the steak, you’ll want to look for a red wine with smoky, earthy notes. If you’re preparing the steak in a pan, you’ll want something with a bit more acidity to cut through the fat.

You’ll want to take into account the condiments you’re pairing with the steak as well. If you’re serving the steak with a robust sauce, you’ll want a red wine with enough tannins to stand up to the sauce. If you’re serving the steak with a more delicate sauce, you’ll want a red wine that won’t overpower it.

Here are some of the best red wines to pair with ribeye steak.

1. Cabernet Sauvignon - Cabernet Sauvignon is one of the most classic wine and steak pairings, and for good reason. The bold flavors of this red wine complement the rich, beefy taste of ribeye steak perfectly. Cabernet Sauvignon has a full-bodied and complex flavor profile, with notes of black fruit, such as blackberry and black cherry, as well as hints of oak, vanilla, and cassis. Its high tannin content helps to cut through the rich, fatty flavors of the steak, making this a great choice for those who enjoy bold and well-structured wines.

2. Malbec - Malbec is another excellent choice for pairing with ribeye steak. This red wine is known for its juicy, ripe fruit flavors and bold, spicy character. It has a medium- to full-bodied texture, with flavors of black fruit, plum, and spice. Its juicy, fruit-forward character is a great contrast to the rich, savory flavors of the steak, making it a great choice for those who prefer more fruit-driven wines.

3. Merlot - Merlot is a versatile red wine that pairs well with a variety of different foods, including ribeye steak. It has a medium-bodied texture, with flavors of black fruit, plum, and vanilla. Its smooth, plush character makes it a great choice for those who prefer more approachable and easy-drinking wines. Merlot's mild tannin content helps to balance the rich flavors of the steak, making it a great choice for those who are new to wine and food pairing.

4. Syrah/Shiraz - Syrah, also known as Shiraz, is a bold, full-bodied red wine that's perfect for pairing with ribeye steak. It has a rich, meaty character, with flavors of dark fruit, spices, and black pepper. Its high tannin content helps to cut through the rich flavors of the steak, making it a great choice for those who enjoy big, bold wines.

5. Zinfandel - Zinfandel is a full-bodied red wine that's perfect for pairing with ribeye steak. It has a spicy, bold character, with flavors of dark fruit, black pepper, and spice. Its high alcohol content helps to balance the rich flavors of the steak, making it a great choice for those who enjoy bold and intense wines.

In conclusion, when pairing wine with ribeye steak, it's important to choose a wine that has bold, robust flavors, and a rich body to match. Cabernet Sauvignon, Malbec, Merlot, Syrah/Shiraz, and Zinfandel are all excellent choices for pairing with ribeye steak, and each has its own unique flavor profile to complement the rich, beefy taste of the steak. No matter which wine you choose, the key is to experiment and find the perfect pairing for your personal taste.