24 Blue Black Hair Ideas For A Stand-Out Look

You know that feeling when you’re ready for a change, but you don’t want to go overboard?

That’s exactly how I felt before trying blue-black hair.

I wanted something bold but still sophisticated—something that would make people look twice without screaming for attention.

And then, I found it: this amazing mix of deep black and subtle blue tones.

It felt like the perfect way to add a little edge to my style without going too wild.

If you’re anything like me and you love a look that’s both mysterious and classy, you’ve got to check out these blue-black hair ideas.

1. All-Over Blue Black

A woman with long straight all-over blue black hair.
By Instagram @hairbyrheannan

This is the classic blue black look, where the entire head of hair is dyed a uniform blue black shade.

It’s a bold and striking choice that adds depth and shine to your hair.

This option is perfect for those who want a dramatic yet polished appearance.

2. Light Blue Black

A woman with long light blue black hair.
By Instagram @jennadoesvivids

Light blue black offers a softer, more subtle take on the trend.

It incorporates less blue pigment, resulting in a black shade with just a hint of blue sheen.

This is a great option for people who want to experiment with blue black without going too bold.

3. Metallic Blue Black

A woman with long metallic blue black hair with beach waves.
By Instagram @chnlwildrosesalon

Metallic blue black adds a shimmery, almost chrome-like finish to the hair.

This is achieved by incorporating metallic blue tones into the black base.

This unique look catches the light beautifully, creating a dynamic and eye-catching effect.

4. Midnight Blue Black

A woman with long layered midnight blue black hair.
By Instagram @marielenaaxo

Midnight blue black is a deeper, richer version of the classic blue black.

It resembles the color of the night sky, with intense black infused with deep blue undertones.

This shade exudes mystery and sophistication, perfect for those seeking a dramatic and alluring look.

5. Blue-Black Ombre

A woman with long blue-black ombre with beach waves.
By Instagram @jbootybb

The blue-black ombre creates a gradient effect, typically transitioning from a darker blue black at the roots to a lighter shade towards the ends.

This creates a stylish and modern look with added dimension.

It’s a great way to experiment with different shades of blue black without committing to a single all-over color.

6. Black With Blue Highlights

A woman with long black hair with blue highlights.
By Instagram @rossdoesmyhair

This look involves adding streaks of blue to a black base, creating a striking contrast.

The highlights can be thin and subtle or thick and bold, depending on the desired effect.

It’s a fantastic way to add pops of color and dimension to your hair without a full color change.

7. Deep Blue Black

A woman with long deep blue black hair.
By Instagram @beautydesignsbyjulia

Deep blue black is an intense and dramatic shade, with a higher concentration of blue pigment than regular blue black.

This creates a richer, more vibrant blue undertone that is noticeable even in lower lighting.

If you crave a bold, head-turning look, this is the perfect option.

8. Violet-Toned Blue Black

A woman with medium-length straight violet-toned blue black hair.
By Instagram @sierrad_haircolorist

This unique shade blends blue and violet tones into the black base, resulting in a cool, almost purple-black hue.

This creates a multi-dimensional color that shifts and changes in different lights.

It’s a beautiful choice for those looking for a more unique and complex blue black.

9. Blue Black Quick Weave

A woman with long straight blue black quick weave.
By Instagram @dailydoseofhair

A blue black quick weave is a protective style that uses hair extensions to achieve the blue black look.

It’s a fast and convenient way to experiment with the color without chemically treating your natural hair.

This option offers versatility and allows you to easily change your look.

10. Ocean Blue Highlights

A woman with medium-length blue black hair with ocean blue highlights.
By Instagram @dhairmony

Ocean blue highlights add vibrant streaks of a bright, oceanic blue to a black base.

These highlights can be strategically placed to frame the face or scattered throughout the hair for a more dispersed effect.

This look evokes the beauty of the ocean, adding a playful and vibrant touch.

11. Black and Blue Peekaboo Color

24 Blue Black Hair Ideas For A Stand-Out Look
By Instagram @haircode_iris

Peekaboo color involves placing blue underneath the top layer of black hair, creating a hidden pop of color that is revealed when the hair moves.

This is a fun and subtle way to incorporate blue into your look without being too overt.

It’s a playful and surprising element that adds depth and intrigue.

12. Silver Blue Black

A woman with long straight silver blue black hair.
By Instagram @donebykandyy

Silver blue black combines the cool tones of blue black with a hint of silver or grey.

This creates a sophisticated and modern look with a subtle metallic sheen.

It’s a great choice for those who want a more understated yet stylish take on the blue black trend.

13. Blue-Black to Silver Ombre

A woman with blue-black to silver ombre with big curls.
By Instagram @jbootybb

This ombre style transitions smoothly from a deep blue black at the roots to a shimmering silver at the ends.

Imagine the night sky fading into the first light of dawn – that’s the effect.

It’s a striking and modern look that combines depth and brightness beautifully.

14. Teal-Toned Blue Black

A woman with teal-toned blue black long bob with beach waves.
By Instagram @hairbymayraaa

Teal-toned blue black infuses the classic blue black with hints of green, creating a rich, aquatic hue.

This shade evokes the deep ocean, with its complex blend of blues and greens.

It’s a unique and captivating twist on the traditional blue black.

15. Denim Blue Black

A woman with long straight denim blue black.
By Instagram @hair.stylist.kendra

Denim blue black draws inspiration from the classic denim fabric, resulting in a slightly muted, almost dusty blue black.

This shade has a casual, cool vibe, like your favorite worn-in jeans.

It’s a more relaxed and understated take on the blue black trend.

17. Blue Black to Turquoise Ombre

A woman with blue black to turquoise ombre hair.
By Instagram @firstimpressionsalonllc

This vibrant ombre transitions from a deep blue black at the roots to a bright, tropical turquoise at the ends.

Think of a dark ocean fading into a shallow, sunlit lagoon.

This creates a striking contrast and a fun, energetic look.

18. Frosty Dark Blue Black

A woman with medium-length frosty dark blue black hair with big curls.
By Instagram @katiee.cutss

Frosty dark blue black adds a cool, almost icy sheen to the deep blue black base.

This is achieved by incorporating subtle hints of silver or white, creating a frosty effect.

It’s perfect for those seeking a sophisticated and wintery look.

19. Navy Blue Black

A woman with long straight navy blue black hair.
By Instagram @peeeei1

Navy blue black leans more towards a deep, inky blue than a true black, but still maintains a dark and rich tone.

Think of the color of a naval officer’s uniform – a deep, dignified blue.

This shade is a sophisticated and elegant choice.

21. Blue Black Gloss

A woman with long blue black gloss hair with beach waves.
By Instagram @garycorcorancolour

Multi-tone blue black incorporates different shades of blue within the black base, creating a dynamic and dimensional look.

This could involve incorporating highlights, lowlights, or even subtle ombre effects.

It adds depth and movement to the hair, making it appear more vibrant and alive.

22. Black-to-Blue Balayage

A woman with long black to blue balayage with beach waves.
By Instagram @hairbydallan

Blue black gloss focuses on enhancing the shine and reflectivity of the blue black color.

This is achieved through gloss treatments or products that amplify the hair’s natural luster.

It results in a sleek, polished, and incredibly eye-catching finish.

23. Indigo Blue Black

A woman with medium-length straight indigo blue black hair.
By Instagram @modehairsalon

Black-to-blue balayage involves hand-painting blue tones onto a black base, creating a soft and natural-looking transition.

The blue is typically concentrated towards the mid-lengths and ends, mimicking the effect of sun-kissed hair.

It’s a subtle yet stylish way to incorporate blue into your look. ​

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