The language of color

Royal Pastels: Why Lady Di, Kate Middleton, Caroline of Monaco and Princes Leonor use soft tones as a strategic style move


From the lavender gown Princess Diana famously slept in to Queen Letizia's modern dusty pinks, sugary shades have evolved from symbols of innocence into royal fashion statements


Royal in Pastels: Why Princess Leonor, Kate Middleton and Caroline of Monaco use soft tones as a strategic style move© GTRES
By Miriam Núñez Del Bosque
APRIL 24, 2026 2:58 PM EDT

In European royalty, getting dressed has never been just about clothes. In August 1954, Princess Alexandra of Kent, Queen Elizabeth II’s cousin, sent shockwaves through the British public when she showed up to play tennis in jeans. 

It was a gesture that seemed trivial, but at the time, it was read as a challenge to protocol and Buckingham Palace's very own etiquette. Fashion in these aristocratic circles is a language, sometimes subtle, sometimes bold, where every garment and shade communicates an intention.

For decades, "diplomatic dressing" has relied on color as a silent but effective tool: red to command, blue to reassure, white for solemnity. However, one palette has gained ground in recent years due to its ability to soften an image without letting the wearer fade into the background: pastels. 

Royal in Pastels: Why Princess Diana, Kate Middleton and Caroline of Monaco use soft tones as a strategic style move© GTRES

One only needs to recall Queen Letizia’s recent dusty pink dress at the Royal Palace or Princess Diana’s unforgettable lavender blue gown while asleep at an official event to understand that, in the monarchy, delicacy can also be deeply strategic.

Princess Diana: Softness with a Rebel Streak

Before becoming a global icon, Princess Diana was a teenager who learned to dress under public scrutiny. During that learning process, pastels played a fundamental role. The lemon yellow of her youthful overalls or that same-colored outfit she wore when meeting the Spanish royal family spoke of an almost calculated innocence.

Princess Diana wearing yellow overall with a floral blouse and red wedges in 1981.© Anwar Hussein
Princess Diana wearing yellow overall with a floral blouse and red wedges in 1981.
Princess of Wales with her sons William and Harry during a holiday with the Spanish royal family in 1987© Princess Diana Archive
Princess of Wales with her sons William and Harry during a holiday with the Spanish royal family in 1987

But if there is one image that encapsulates that era, it is the blue-violet dress by Bellville Sassoon in which she fell asleep in public. The photograph did not just irritate the then-Prince Charles; it also etched a vulnerable, human, almost ethereal Diana into the collective memory.

The famous photos of Princess Diana sleeping wearing a Pale Blue Chiffon Evening Dress Designed By Fashion Designers Bellville Sassoon.© Tim Graham
The famous photos of Princess Diana sleeping wearing a Pale Blue Chiffon Evening Dress Designed By Fashion Designers Bellville Sassoon.

Over the years, her wardrobe evolved toward sharper silhouettes and bolder tones,  as seen in the famous "revenge dress," but she never entirely abandoned pastels. She incorporated them into menswear-inspired blazers and more structured outfits, creating a fascinating duality: strength and sweetness coexisting in the same image.

Diana, Princess of Wales wearing a yellow pastel suit in 1987© Princess Diana Archive
Diana, Princess of Wales wearing a yellow pastel suit in 1987

Kate Middleton: From Baby Blue to Power Tones

Duchess of Cambridge arrives at St Andrew's Cathedral for Easter Sunday Service on April 20, 2014 in Sydney, Australia© Brendon Thorne

When Kate Middleton joined the British royal family, her wardrobe seemed to be in direct conversation with Diana’s. During her first decade, pastels were almost uniform: baby-blue coats, soft-violet evening gowns, and even her first appearance after giving birth, styled in that same chromatic range.

Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge and their newborn son depart the Lindo Wing of St Mary's Hospital on July 23, 2013 in London© Neil Mockford

Baby blue became her silent signature, a choice that was anything but accidental in an institution where color is carefully studied. That tone conveys calm, approachability, and stability, ideal qualities for a future queen in the making.

Prince William, Prince of Wales and Catherine, Princess of Wales stand at the top of the Garden steps before the start of a Royal Garden Party at Buckingham Palace on May 20, 2025 in London© WPA Pool

However, as time has passed, her palette has darkened: burgundy, navy blue, chocolate brown. This isn’t a rejection, but an evolution. As happened with Diana, the chromatic shift accompanies a personal transformation: more authority, more presence, and more control over the visual narrative.

Catherine, Princess of Wales is seen during day two of The Championships Wimbledon 2023 at All England Lawn Tennis and Croquet Club on July 04, 2023 in London© Clive Brunskill

Elizabeth II: The Queen of Color

The Queen In New Zealand Wearing A Turban Style Hat © Tim Graham

To talk about color in royalty is to talk about Queen Elizabeth II. Her preference for vibrant, almost fluorescent, tones followed a practical logic: to be seen. “I have to be seen to be believed,” she is famously quoted as saying. 

The Queen At The Royal Windsor Horse Show  © Tim Graham

Yet, within that perfectly studied rainbow, pastels also had their place. Pale pinks, mint greens, or soft blues appeared in more relaxed contexts, where proximity to the public allowed for a lower intensity without losing presence.

Queen Letizia: Balancing Authority and Softness

Prince Felipe and Princess Letizia © Lalo Yasky

In her early years as a royal, Letizia frequently opted for pastel pink, especially in skirt suits. It was a choice consistent with her position at the time: new, observed, measured. 

Queen Letizia of Spain attends a reception at the Royal Palace during the National Day on October 12, 2019 in Madrid© Pablo Cuadra

Many looks defined that era as the Queen began to define her elegance and personality, setting herself apart from other royal women. Over time, that pink remained but evolved in form: dresses, jumpsuits, and flowing skirts. Baby blue also established itself as a wardrobe staple, particularly in shirts and clean-cut pieces.

Queen Letizia of Spain © Carlos Alvarez

Perhaps one of her most interesting moves has been her use of lilac in tailored suits: a combination that balances the masculine tailoring of the garment with the delicacy of the color.

Queen Letizia of Spain attends the presentation of the service "National Radio For Everyone" at Casa de la Radio studios on September 30, 2024 in Madrid, Spain.© Paolo Blocco

Princess Leonor: The Innocence of Beginnings

Queen Letizia of Spain (R) and Crown Princess Leonor of Spain (L) and Princess Sofia of Spain attend the 'Princesa de Girona' Foundation 2022 awards at the Agbar Foundation on July 04, 2022 in Barcelona© Carlos Alvarez

Blue seems to be one of the Princess’s favorite colors; she has worn it in its most pastel shade on several occasions, in both romantic dresses and suits that communicate power and authority. 

Princess Leonor leaving the Historic Building of the University of Oviedo to attend the presentation to Princess Leonor of the Medal of Asturias, on October 24, 2024, in Oviedo© Europa Press Entertainment

And she always hits the mark. Curiously, while she wears baby blue, she reserves pink for more vibrant, striking tones, perhaps to distance herself from the soft, "childish" connotations the shade can evoke.

From Monaco to Jordan: Pastels as a Global Language

Charlotte Casiraghi at the Chanel show as part of Haute Couture Fall/Winter 2025 on July 08, 2025 in Paris, France© WWD

The taste for pastels is not exclusive to London or Madrid. Charlotte Casiraghi has made Chanel’s baby blue tweed almost an extension of her style, while her pink dresses at the Rose Ball confirm her affinity for this palette. An example of how pastels triumph in formal wear is seen at the 2013 Rose Ball. There, she made an impact with a mix of sweetness and cutting-edge modernity.

Charlotte Casiraghi and Gad Elmaleh attend the 'Bal De La Rose Du Rocher' in aid of the Fondation Princess Grace on the 150th Anniversary of the SBM at Sporting Monte-Carlo on March 23, 2013 in Monte-Carlo, Monaco. © Pascal Le Segretain

Her mother, Caroline of Monaco, has demonstrated over the years that the same shade, light blue, can be reinterpreted without going out of style. And the next generation, represented by Alexandra of Hanover, continues that narrative with a contemporary twist.

Princess Caroline of Hanover attends the celebrations marking Monaco's National Day at the Monaco Palace in Monaco, 19 November 2019. © SC Pool - Corbis

In Northern Europe, figures like Victoria of Sweden have turned to blue and pastel pink for official events. It is a color scheme that really works for her. 

Prince Daniel of Sweden and Crown Princess Victoria of Sweden pose in front of Solliden Palace to celebrate the 40th birthday of Crown Princess Victoria of Sweden on July 15, 2017 in Borgholm, Sweden© Andreas Rentz

For her part, Queen Máxima of the Netherlands elevates them with her usual color-blocking boldness.

King Willem-Alexander of The Netherlands and Queen Maxima of The Netherlands arrive for a concert of the Koninklijk Concertgebouw orkest to German President Frank-Walter Steinmeier and his wife Elke Budenbender at the Konzerthaus on July 6, 2021 in Berlin, Germany© Patrick van Katwijk

And if there is a queen who has made pastels a constant, it is Queen Rania of Jordan, who is capable of wearing these tones for everything from official portraits to state functions without losing an ounce of authority.

Jordan's Queen Rania arriving at Westminster Abbey ahead of the coronation ceremony of King Charles III and Queen Camilla on May 6, 2023 in London, England© WPA Pool