Before the year 2019 ends, different hairstyles and hair dye surfaced which was eventually started by Korean Idols. Amazingly, these Korean male idols, who change their hair color into the trendy "blue," rock it with their stunning visuals.

Let's go back with these idols who made fans crazy with their blue-hair look:

1. NCT Jaehyun

Member of NCT Jung Jaehyun left fans in awe, after changing his hair into ash blue. The member exudes the boy crush material during his appearance for the Inkigayo Music show wherein he's the MC. Aside from his sexy vibe, he also looks cute with his new hairstyle.

2. BTS V

For sure, ARMYs heart jump after BTS V transforms from an innocent man into an alluring one with his Blue hair! 

3. EXO and SUPERM Baekhyun

During their concert, Baekhyun proudly showcases his new hair color, to his fans incorporated with his blue contact lens. Fans can't deny his attractiveness, and fans can't get enough seeing his fan cam photos.

4. SHINee and SUPERM Taemin

On one of his promotion tour, Lee Taemin, changed his hair color and shawols still can't get over with it. Moreover, during his promotions for FAMOUS, he changed his hair again, similar to SHINee's official color, Aqua Pearl, which is in between the color of bluish to greenish.

5. TXT Yeonjun

Is he BTS V brother? Mostly, that's what TXT Yeonjun get after changing his hair color into this trendy blue. This rookie member is very much alike to his brother group and is even mistook as V younger brother by the netizens.Moreover, he was praised for his performance for SBS year-end show, where he covers together with his group, SHINee's debut song, "Replay."

6. NCT Taeyong

The man who is like the real-life Jack Frost-NCT's visual you all, Taeyong, he seems superior with his blue hair, added by his cold look, and fans got hooked when he got this hair dye. 

7. BTS Jimin
As he transforms into this color, the debate is not needed anymore, BTS Jimin got the looks, and the vibes, which is divine. Changing hairstyle is not new for ARMYs, but when Jimin, one of the most handsome faces of 2019, changes into this, fans can't simply put into words their compliments for it was too good.

8. GOT7 Yugyeom

Yugyeom's visual is seriously no joke, and it got severe when he tried the blue hair, which is trending in this era. Well, he rocks it in his way and proves that he can compete with the new and younger generations.

9.VICTON Hanse

One of the members of the rising and growing group VICTON, Hanse, is the evidence that they were also a multi-package group. Upon changing his hairstyle during their 1st Asian Tour, his unique aura catches female fans' hearts in real-time. 

These are the top male idols that rock the new black of this era, and they will, even without approval.