When I think about investing in blue-chip shares, I'm usually looking for a few key things.
First, I want businesses with strong competitive positions. Second, I want companies that have proven they can grow over long periods of time. And finally, I like businesses that operate in industries with favourable long-term trends.
The ASX 200 has plenty of high-quality blue-chip shares worth considering. But if I had $10,000 ready to invest today, these are three that I find particularly appealing right now.

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Woolworths Group Ltd (ASX: WOW)
Woolworths might not be the most exciting company on the ASX, but that's part of what I like about it.
Supermarkets are a classic defensive business. People still need to buy groceries regardless of what the economy is doing, which helps provide a steady stream of revenue.
Woolworths also benefits from its significant scale. It serves 24 million customers each week across its growing network of businesses. Combined with its strong brand recognition and supply chain advantages, it is very difficult for competitors to challenge its position in the Australian grocery market.
I also think the company's investments in technology, online shopping, and supply chain efficiency could help support steady earnings growth over time.
It may not deliver explosive returns, but personally I see Woolworths as the kind of reliable blue chip that can compound value steadily for years.
Macquarie Group Ltd (ASX: MQG)
Macquarie is one of the most unique companies in the Australian market, in my opinion.
While many banks focus mainly on traditional lending, Macquarie has built a global financial services business spanning infrastructure investing, asset management, commodities trading, and specialist banking.
What stands out to me is its ability to adapt. Over the past few decades, the company has repeatedly evolved its business model to capture new opportunities across global markets.
Macquarie has also developed an exceptional reputation in infrastructure investing, an area that I think will continue to grow as governments and businesses invest in energy, transport, and digital infrastructure.
In my view, Macquarie is one of the most dynamic and internationally focused companies in the ASX 200.
Cochlear Ltd (ASX: COH)
Cochlear is another blue-chip ASX 200 share that I believe has powerful long-term growth potential.
The company is a global leader in implantable hearing solutions, and its technology has transformed the lives of hundreds of thousands of people with severe hearing loss.
What stands out to me is that the company operates in a market with significant unmet demand. Hearing loss affects millions of people globally, yet only a small percentage of eligible patients currently receive implantable hearing devices.
As awareness grows and healthcare systems expand access to treatment, I think Cochlear has a long runway for growth.
The company also invests heavily in research and development, which helps maintain its leadership position in the industry.
Foolish takeaway
If I had $10,000 to invest in ASX 200 blue-chip shares today, I would want exposure to a mix of defensive stability and long-term growth.
Woolworths offers resilience through its dominant position in the supermarket sector. Macquarie provides exposure to global financial markets and infrastructure investment. And Cochlear operates in a healthcare market with significant long-term growth potential.