22 Most Stunning Blue Black Hair Color Styles for 2025

Avery Hunt
Avery Hunt Hair Colorist

Blue-black hair is a mixture of black and blue shades. The blues and blacks are often intertwined to create a midnight blue hue or blue highlights added to dark hair.

For blue-black hair, a deep black shade with a touch of blue is enigmatic and quite flattering. It’s a fantastic way to reveal your adventurous side, with each tilt of your head catching the light and highlighting your blue tint!

There are numerous combinations of blue hair colors, ranging from lighter royal blue to navy or midnight blue, to blend with black hair color to enhance any skin tone. Lighter tones pair nicely with dark and fair skin, while deeper ones enhance light and pale skin tones. Explore these beautifully diverse ways to flaunt everything from bold to subtle blue-black hair.

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#1: Stylish Short Hair with Deep Blue Black Tone

Are you excited to explore new hair trends? Does your trendy bob haircut need a refresh? A blue black hair dye is the perfect solution! Blending deep blue and black tones will add flair to your style. Enhance it with a light texture, and your color will stand out even more. For an extra pop, a few streaks of lime green around your hairline can create an amazing effect.

#2: The Deep Steel Blue Black Bob

This isn’t your typical dark hair because this features a bluish black hue! This deep steel blue black bob works wonderfully on thick, straight strands. Considering the perimeter of this cut that stops at the neckline, it appears even fuller. Ask your colorist for a gloss treatment to maintain your black and blue locks shiny and luscious.

#3: Bold Blue Black Bob

A rich black base pairs beautifully with delicate midnight blue highlights. The short bob exhibits striking reflective qualities as the shades reveal a slight twist in hues, becoming more apparent with movement. If you have a naturally black shade, introducing highlights can provide you with some flattering yet subtle transformations.

#4: Elegant Short Blue Black Hair

Are you thinking about trying out a blue black hue for yourself? Caring for your blue black can be a bit different than you might expect. Blue, being the tiniest color molecule, can fade out quickly. Selecting the appropriate shampoo, conditioner, or even color-enhancing treatments can assist in preserving your blue luster.

Effortlessly braided blue black hair
Instagram @maloriemhair

#5: Effortlessly Braided Hair in Blue Black

This look is striking and daring yet seems more subdued in specific lighting. The hair braid adds a gentler touch to the overall style. Be prepared for maintenance! This blue black tone can/will shift to green rapidly if not properly cared for. A direct dye in your shampoo/conditioner is essential.

#6: Medium-Length Hair with Striking Blue Black Shade

This style is both subtle and daring at once. The blue tones are vibrant, yet against the black, there isn’t an extreme contrast. Until the blue begins to fade, this color stands out most in sunlight and specific lighting. This hair color requires relatively little maintenance.

Black and Blue Long Shag
Instagram @pedronovais.phneutro

#7: Black and Blue Long Shag

A stunning color transformation that will have everyone admiring your new hairstyle. Get ready. You will attract a lot of attention with this beautiful blue-black blend.

Luxurious and Classy Blue Black Hairstyle
Instagram @jennyschair__

#8: Luxurious Blue Black Shade

This style is incredibly elegant and will attract attention. Blue (regardless of the shade) has a distinctly cool undertone, making black its perfect partner. Black is deep, alluring, and enhances nearly any eye tone. Maintenance is crucial for any hue. With the abundance of pigmented shampoos available today, there’s no reason for your hair color to dull quickly.

#9: Contemporary Bob Featuring Blue Accents

This chic bob hairstyle blends the natural black root color with vibrant blue hair dye and foiling to showcase panels of color. Incorporating the blue hair highlights into the bangs and shorter layers adds a stylish flair.

Deep Black with Striking Blue Highlights
Instagram @hairbykellymn

#10: Deep Black with Striking Blue Highlights

If you have dark hair and seek a low-maintenance approach to showcase vibrant colors, consider deep black with blue peekaboo highlights. This is an excellent way to indulge in fashion colors without fully coloring your entire head of hair.

#11: Shoulder-Length Hair with Vivid Cobalt Blue Black Balayage

This stunning hair color showcases a dimensional cobalt blue black shade. If you observe the individual strands of hair, you can notice the varying tones and depths throughout. Blue is known for being a long-lasting color and can be quite resilient, even though this is a direct dye. It’s advisable to use a professional sulfate-free shampoo or a cleansing conditioner with cool to cold water to maintain direct dyes and minimize sun, salt water, and pool water exposure.

textured midnight blue and black hair color
Instagram @tammy.ethan

#12: Textured Midnight Blue with Black Undertones

This midnight blue hue is one of the finest hair dye ideas that beautifully combines vibrancy and depth. It pairs wonderfully with a medium-length haircut, enhancing the volume of wavy-textured hair. Adding oil, shine spray, and hairspray to your style will impart this hair color an extra radiance. There’s so much richness in this Midnight Blue shade from GuyTangMydentity. It’s quite forgiving yet remains a distinctive color.

Stunning Balayage Ombre Blue Black Haircolor
Instagram @mel_issa0423

#13: Stunning Black Blue Ombre

Transitioning from a rich black to a vibrant blue shade in an ombre effect can be challenging. If this resonates with you, consider using deeper tones for a more gradual change. This frosty blue pairs elegantly with the black hue at the roots.

#14: Elegant Black Swan with Rich Blue Accents

This style can be referred to as a “subtle vivid” because it’s ideal for women who desire to embrace an unconventional hue while remaining professional. The most remarkable aspect of this look is how it transforms in various environments. It appears as a deep black indoors, yet in bright light, the hair reveals a hint of blue.

#15: Dark Blue Skunk Stripes

Dark blue skunk-striped hair coloring, a popular style, can be customized to suit nearly any hair length. The striking blue hue pairs beautifully with the glossy black for this distinctive look. Speak with your professional stylist about caring for gem-tone hair shades.

Onyx Black hairstyle
Instagram @ash_mclay

#16: Onyx Black with Delicate Blue Undertones

This hue features a deep onyx black that offers versatility. You can achieve an edgy yet professional look while showcasing subtle navy accents.

luxurious black locks with striking blue highlights
Instagram @kimwasabi

#17: Luxurious Black Locks with Striking Blue Highlights

You can’t overlook the beauty of this hair trend! Your presence will radiate by showcasing your luxurious black locks with striking blue highlights. This blue balayage hair color is perfect for longer hair.

Strong & Fierce hairstyle
Instagram @hairbykirst

#18: Sleek Black Hair with Delicate Blue Undertones

This style exudes confidence, showcasing strength and boldness! If you’re considering this hair hue, it’s essential to understand the dedication required for blue black. It’s among the most intense hair colors available, and transitioning away from it can be quite challenging.

Striking Contrast hairstyle
Instagram @leta350

#19: Midnight Black with Accents of Blue

The luster, brilliance, and contrast in this stunning hair color truly capture attention! It’s an ideal hue if you aim to be trend-setting and bold. You will need to refresh every five to six weeks to retain the brilliance and use color-preserving products to safeguard the health of your hair and color. This style is playful, charming, and lively.

#20: Long Hair Featuring Striking Pastel Blue Highlights

The pastel blue highlights on long hair create a stunning appearance. It offers dark roots, allowing you to visit your hair colorist less frequently. Adding soft waves to your hair will enhance the overall texture and dimension.

#21: Breathtaking Blue Black Hair Depth

The blue black hair color is ideal if you desire a truly contemporary and timeless appearance while still seeking a touch of vibrancy, depth, and an extra splash of color. Hair color can always be modified, so go for it!

vibrant blue accents on black hair
Instagram @keracolorhair

#22: Vibrant Blue Accents

Splashes of these vibrant blue accents on a black canvas create a striking hair dimension. This is the style to embrace if you’re hesitant to dye your entire head with the blue hue. It’s guaranteed to infuse your straight, mid-length locks with the flair they crave.