The 50+ Most Tranquil Blue Rooms Ever

A daybed in the guest room of this Hampton's home is draped with a vintage throw, and the sofa is by Mitchell Gold + Bob Williams; the cocktail tables from Tonic Home have custom-made tops by Plexi-Craft, the side tables are by Jonathan Adler, and the walls are painted in Benjamin Moore Regal in Patriot Blue.

In this Hamptons home decorated by , white furniture is part of a nautical theme that is just as striking as it is cozy. A white armchair and large white coffee table are cushioned by deep blues evocative of the nearby sea.

In the living room of and Dan Holland’s Arts and Crafts bungalow in Oakland, California, the custom sofa is covered in a linen by , a pair of vintage chairs is upholstered in a tartan, the bust on the custom cocktail table is by and the rug is from Iran. The fireplace, repainted a high-gloss black, the bookcases and the oak flooring are all original to the house and the walls are painted in .

In the master bedroom of this Oakland bungalow, the bed by is dressed with a duvet, the antique chest is English, the custom love seat is upholstered in a and the pendant light is from . The rug is an antique Heriz and the walls are painted in .

In the master suite of an Upper East Side home, the curtains in this monochromatic blue room perfectly match the decor. The armchairs are a 1950s Gianfranco Frattini design and the painting is by Friedrich Kunath.

In an opulent boardroom, deep blue curtains and wallcoverings perk up a cognac table and chair set-up.

A formal living room with colorful furniture and art by Elizabeth Krueger Design

Play with varying shapes like a spherical chandelier or an oval rug.Design by

In this East Hampton house designed by , the living room walls are painted in a high gloss by Fine Paints of Europe to match Pantone's Legion Blue. The sofas are by Celerie Kemble for , upholstered in a printed linen. The ceiling is inset with a felt paper by Star, the midcentury chandelier is by Stilnovothe and the vintage chairs in front of the faux-mable mantle are from .

A blue striped rug is an ideal base for overstuffed club chairs upholstered in a blue pattern of the same tone.

The custom sofas in the library of this Seville home are upholstered in a Nobilis velvet and a Madeleine Castaing fabric from Kravet. The 19th-century chairs and bronze side table are Italian, the Empire chandelier is French, and the mantel is Louis XVI. The custom wallpaper is by Zuber, and the floor tiles are a combination of Carrara, Nero Marquina, and Bardiglio gray marbles.

Milan-based designers at the vacation home they built on the Greek island of Folégandros. In the living room, Meridiani sofas are covered in a fabric by Dominique Kieffer, the Charlotte Perriand cock-tail table was found at a Paris flea market, and the flooring is Karystos stone; the artwork over the sofa is by Marco Basta, and the two small oil paintings were found at flea markets in Milan and Athens.

In the living room of Jean-Louis Deniot's Miami penthouse, the sofa from Deniot’s collection for is in a fabric, the 1930s chairs are in a fabric, the vintage cocktail table is by , and the gold side table is by ; the 1920s bronze-and-alabaster chandelier once hung in the Villa Kerylos in France, the indoor-outdoor rug is by , the artwork is by , and the shelf holds a sculpture (center) and a French 1940s lamp.

Blue gives this dining room in a Bridgehampton farmhouse a calming atmosphere. The Julian Chichester chairs are covered in Lulu DK and Rose Tarlow Melrose House fabrics. The trim is painted in Aegean Teal by Benjamin Moore. The blue is broken up by the white and black curtains.

Architect Cynthia Wang and designer Jamie Bush helped conjure this country cabin in Lake Tahoe with a touch of cool for a Silicon Valley family. In the modern master bedroom, the wall's blue-grey hue complements the cool-toned furniture: an armchair and stool by Minotti, upholstered in a Holly Hunt leather, a side table by Jonathan Adler and a bench and dresser by Lawson-Fenning. The drawing is by Ching Ho Cheng and the carpet is by Decorative Carpets.

In a New York City apartment designed by Alex Papachristidis, the husband's office is personalized with a muted blue Cowtan & Tout sisal-blend paper. The steel desk by John Vesey was found at an auction and the lamp is from John Rosselli Antiques.

Designer furniture and art dealer Ralph Pucci recruited Vicente Wolf to design his Long Island, New York, beach house. In the home's blue guest room, a Charles P. Rogers bed is dressed in bedding by Restoration Hardware. The Bertoia chair is paired with a vintage Indonesian desk, and the photograph is by Christopher Makos.

A San Francisco home office designed by Thomas Britt features walls and chairs that are upholstered in a bold blue cotton by Etro. The painting is by Kim Douglas Wiggins; the table is vintage, and the rug is by AM Collections.