If you're looking for a bold and vibrant dark blue hair dye, Manic Panic's Midnight Blue is a top choice. This semi-permanent hair color cream is long-lasting and fade-resistant, perfect for those who want to rock their blue locks for an extended period of time. The formula is vegan and free of harmful chemicals, making it safe for both your hair and the environment. The deep blue shade is sure to turn heads and give you a fierce and edgy look. For best results, it's recommended to pre-lighten your hair before applying this dye. This will ensure that the color comes out as vibrant as possible. Plus, with its conditioning properties, your hair will feel soft and healthy after using this dye. Get ready to make a statement with Manic Panic Midnight Blue hair dye!1. Manic Panic Semi-Permanent Hair Color Cream - Midnight Blue
For a more subtle yet stunning dark blue hair color, look no further than Crazy Color's Blue Jade. This semi-permanent hair dye gives a beautiful deep blue-green hue, perfect for those who want a unique and enchanting look. Not only is the color gorgeous, but the formula is also gentle and conditioning, leaving your hair feeling soft and silky. The dye is also vegan and free of ammonia and peroxide, so you can dye your hair without worrying about damaging it. For best results, it's recommended to apply this dye to pre-lightened hair. This will ensure that the color comes out true to its shade and lasts longer. Get ready to turn heads with Crazy Color Blue Jade hair dye!2. Crazy Color Semi-Permanent Hair Dye - Blue Jade
If you're after a darker blue shade, Directions Midnight Blue is a top choice. This semi-permanent hair dye gives a rich and intense blue color, perfect for those who want to make a bold statement with their hair. The formula is vegan and free of harmful chemicals, making it safe for your hair and the environment. It's also conditioning, leaving your hair feeling soft and healthy after use. Plus, it's fade-resistant, so your blue locks will stay vibrant for longer. For best results, it's recommended to pre-lighten your hair before applying this dye. This will ensure that the color comes out as intense as possible. Get ready to rock a deep and mesmerizing blue with Directions Midnight Blue hair dye!3. Directions Semi-Permanent Hair Dye - Midnight Blue
If you want a dark blue hair color that's long-lasting and easy to use, Schwarzkopf LIVE Electric Blue is a top choice. This semi-permanent hair dye comes in a ready-to-use formula, making it easy to apply and perfect for those who are new to dyeing their hair. The color is vibrant and bold, giving you a stunning electric blue hue. The formula is also conditioning, leaving your hair feeling soft and nourished. Plus, it's fade-resistant, so your hair will stay blue for weeks. For best results, it's recommended to apply this dye to pre-lightened hair. This will ensure that the color comes out true to its shade and lasts longer. Get ready to electrify your look with Schwarzkopf LIVE Electric Blue hair dye!4. Schwarzkopf LIVE Ultra Brights or Pastel - Electric Blue
If you want to experiment with dark blue hair without committing to a long-lasting dye, L'Oréal Paris Colorista Washout Blue is the perfect choice. This semi-permanent hair dye washes out after a few shampoos, making it perfect for those who want to switch up their hair color frequently. The color is vibrant and intense, giving you a beautiful blue hue that will turn heads. The formula is also conditioning, leaving your hair feeling soft and healthy. It's also gentle and ammonia-free, so you can dye your hair without damaging it. For best results, it's recommended to apply this dye to pre-lightened hair. This will ensure that the color comes out as vibrant as possible. Get ready to have fun and experiment with L'Oréal Paris Colorista Washout Blue hair dye!5. L'Oréal Paris Colorista Washout - Blue
For a deep and luscious dark blue hair color, La Riche Directions Atlantic Blue is a top choice. This semi-permanent hair dye gives a beautiful and intense blue shade, perfect for those who want to make a bold statement with their hair. The formula is vegan and free of harsh chemicals, so you can dye your hair without worrying about damaging it. It's also conditioning, leaving your hair feeling soft and healthy. Plus, it's fade-resistant, so your blue locks will stay vibrant for longer. For best results, it's recommended to apply this dye to pre-lightened hair. This will ensure that the color comes out as intense as possible. Get ready to rock a deep and alluring blue with La Riche Directions Atlantic Blue hair dye!6. La Riche Directions Semi-Permanent Hair Dye - Atlantic Blue
For a regal and striking dark blue hair color, Stargazer Royal Blue is a top choice. This semi-permanent hair dye gives a beautiful and vibrant blue shade, perfect for those who want to make a statement with their hair. The formula is conditioning and gentle, making it suitable for all hair types. It's also vegan and free of harmful chemicals, so you can dye your hair without worrying about damaging it. Plus, it's fade-resistant, so your blue locks will stay bold and beautiful for weeks. For best results, it's recommended to pre-lighten your hair before applying this dye. This will ensure that the color comes out as vibrant as possible. Get ready to feel like royalty with Stargazer Royal Blue hair dye!7. Stargazer Semi-Permanent Hair Dye - Royal Blue
If you want a dark blue hair color with a hint of purple, Bleach London Blullini is a top choice. This semi-permanent hair dye gives a beautiful and unique blue-purple shade, perfect for those who want to stand out from the crowd. The formula is conditioning and gentle, leaving your hair feeling soft and healthy. It's also fade-resistant, so your blue-purple locks will stay vibrant for longer. Plus, it's vegan and free of harmful chemicals, making it safe for your hair and the environment. For best results, it's recommended to apply this dye to pre-lightened hair. This will ensure that the color comes out as true to its shade and lasts longer. Get ready to make a bold and colorful statement with Bleach London Blullini hair dye!8. Bleach London Super Cool Colour - Blullini
If you want a dark blue hair color that's long-lasting and easy to use, Splat Blue Envy is a top choice. This semi-permanent hair dye comes with everything you need for easy application, making it perfect for beginners. The color is intense and vibrant, giving you a striking blue shade. The formula is also conditioning and gentle, leaving your hair feeling soft and nourished. Plus, it's fade-resistant, so your blue locks will stay bold for longer. For best results, it's recommended to pre-lighten your hair before using this dye. This will ensure that the color comes out as vibrant as possible. Get ready to express your rebellious side with Splat Blue Envy hair dye!9. Splat Rebellious Colors Semi-Permanent Hair Dye - Blue Envy
For a dark blue hair color that's vibrant and long-lasting, Fudge Paintbox Blue Velvet is a top choice. This semi-permanent hair dye gives a beautiful and bold blue shade, perfect for those who want to make a statement with their hair. The formula is conditioning and gentle, making it suitable for all hair types. It's also vegan and free of harmful chemicals, so you can dye your hair without worrying about damaging it. Plus, it's fade-resistant, so your blue locks will stay vibrant for longer. For best results, it's recommended to apply this dye to pre-lightened hair. This will ensure that the color comes out as intense as possible. Get ready to rock a stunning and eye-catching blue with Fudge Paintbox Blue Velvet hair dye!10. Fudge Paintbox Semi-Permanent Hair Dye - Blue Velvet