Is it okay to be a cultural Muslim?

It depends on what "cultural Muslim" means. If it means you believe in Allah but don't practise much yet, you are still a Muslim, and Allah wants you to keep growing. If it means you keep the traditions and the name but do not believe, Islam would not count that as faith. Heritage is welcome, but Islam asks for belief in the heart and a sincere effort in practice.

Two very different meanings

Believes, but practises little: many people who were born into Muslim families pray rarely, miss fasts or struggle with some rules, but still believe. They remain Muslims, even if they have much to improve.
Culture without belief: some people enjoy Eid, family food and Muslim identity but no longer believe in Allah or the Prophet ﷺ. Culture is nice, but Islam is mainly a faith, so belief is what makes a person Muslim.

Only Allah knows what is truly in a heart, so it is not for us to judge individuals. This is simply about what Islam asks.

Islam and iman are not the same

The Quran draws a clear line between saying you submit and having faith settle in your heart:

۞ قَالَتِ ٱلْأَعْرَابُ ءَامَنَّا ۖ قُل لَّمْ تُؤْمِنُوا۟ وَلَـٰكِن قُولُوٓا۟ أَسْلَمْنَا وَلَمَّا يَدْخُلِ ٱلْإِيمَـٰنُ فِى قُلُوبِكُمْ ۖ وَإِن تُطِيعُوا۟ ٱللَّهَ وَرَسُولَهُۥ لَا يَلِتْكُم مِّنْ أَعْمَـٰلِكُمْ شَيْـًٔا ۚ إِنَّ ٱللَّهَ غَفُورٌ رَّحِيمٌ "The nomadic Arabs say, 'We believe.' Say, 'You have not believed. But say, We have submitted, for faith has not yet entered your hearts.' But if you obey Allah and His Messenger wholeheartedly, He will not discount anything from the reward of your deeds. Allah is truly All-Forgiving, Most Merciful." Quran 49:14

This verse shows two things. Outward labels are not enough on their own, but Allah is forgiving and welcomes anyone who moves toward obedience, one step at a time. The Prophet ﷺ said that Allah does not look at your faces and wealth, but "He looks to your heart and to your deeds" (Sahih Muslim 2564).

Is it okay to stay "cultural" for now?

If you believe and want to be closer but feel you are not there yet, that is normal. You do not need to be perfect to belong. Still, Islam does not ask you to stay where you are. The basics, such as the five prayers, fasting in Ramadan and avoiding what is clearly forbidden, are the core of practice. See What happens if a Muslim doesn't pray?

Culture and religion are not the same thing

Some cultural customs fit with Islam, such as hospitality, family respect and traditional food. Others do not, and are sometimes wrongly presented as religion. Islam is bigger than any one culture, which is why converts from every background feel at home. See Do I have to give up my culture to become Muslim?

Small steps that help

Start with one prayer you can keep, then add the others.
Learn what you believe, instead of relying on what your family assumed.
Be patient with yourself and avoid all-or-nothing thinking.
Keep turning back to Allah after slips. See Will Allah forgive me if I keep committing the same sin?

Key points

A believer who practises little is still a Muslim and should keep improving.
Tradition without belief is not what Islam means by faith.
Allah looks at hearts and deeds, not labels (Sahih Muslim 2564).
Take small, steady steps and stay hopeful in Allah's mercy.

Tip: Ask yourself what you actually believe, then pick one small practice to match it this week. Honest steps matter more than a big label.