Kate Middleton Knows the Blue and Brown Colour Trend is About to Take Off |Best Knockoff Luxury Clothing

Kate Middleton walks down a hallway wearing brown cropped trousers with brown leather loafers, a pale blue shirt and a dark brown blazer. — (Image credit: Getty Images)

If last spring belonged to butter yellow, I have a feeling spring 2026 will be defined by the pairing of pale blue and chocolate brown. Marrying optimistic, energetic pale blue with one of winter’s most relied-upon shades, this compelling combination feels rich in dimension, whilst remaining so easy to wear.

Demonstrating exactly why this pairing works so well, Catherine, Princess of Wales, stepped out this week in an elegant take on the trend. Building her look from the base up, she opted for dark espresso brown trousers cut in a streamlined cigarette silhouette. Cropped just above the ankle, the hemline lent a lightness and ease, subtly shifting the traditionally wintry shade into spring territory and as such, complementing the lighter spring shade she paired it with.

Speaking of said shade, up top, Kate introduced the softer counterpoint: a pale blue button-down. Wearing With Nothing Underneath's Boyfriend Shirt (£95), the crisp, light blue hue tapped into one of the season’s most poised colour trends, whilst offering the sleek and polished silhouette that Kate always favours.

To tie it all together, she layered on a neatly tailored blazer in a deep chocolate tone, reinforcing the brown foundation while adding structure and cohesion.

Elegant without being austere, this colour combination has all the makings of spring 2026’s defining colour story. If you’re as inspired as I am, keep scrolling to discover and shop the trend now.

Shop the Blue and Brown Colour Combination:

With Nothing Underneath

The Boyfriend Shirt

Shop the exact shirt the Princess of Wales loves.

Marks & Spencer

Side Stripe Wide Leg Trousers

These come in UK sizes 6—24 as well as three different leg lengths.

H&M

Pintucked Blouse

Add a pop of colour to your spring rotation.

Nobodys Child

Chocolate Brown Crepe Double Breasted Blazer

Wear these with the matching trousers or style with your favourite jeans.

Free People

Lowen Midi Skirt

I'm banking this ahead of the summer months.

Marks & Spencer

Jacquard Round Neck Midaxi Dress

Be quick! I can't see this staying in stock for long.

Anthropologie

Bardot Stasia Satin Maxi Slip Dress

The icy blue colour trend isn't showing any signs of slowing down.

COS

Chenille Mini Skirt

Wear these with knee-high boots for a chic, transeasonal look.

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Natalie Munro isBest Knockoff Luxury Clothing UK’s news writer and has worked in the fashion industry since she graduated with a degree in Journalism from the University of the Arts London. Natalie’s experience in the industry spans journalistic and styling roles that have seen her work for publications including British Vogue, Conde Nast Traveller, Vogue Ukraine, AnOther Magazine and Elle UK.

With an interest in uncovering the latest fashion trends, Natalie takes a leading role in identifying news forBest Knockoff Luxury Clothing UK. Reporting on a daily basis, Natalie focuses on trends on and off the runway, as well as street style and celebrity fashion. Natalie also creates content forBest Knockoff Luxury Clothing’s social channels including TikTok and Instagram on a weekly basis.