The interiors of a guesthouse, micro apartment and beachfront home are among those linked together in this lookbook by their pronounced use of the colour blue.
Blue is a cool-toned colour that helps to create both invigorating and serene interior design schemes, depending on the chosen shade.
From richly pigmented ultramarine – as seen in the work of artist Yves Klein – to understated cobalt and denim shades and playful sky blue, there is a vast spectrum of colourations for designers to select from.
The following projects see blue used to freshen up a range of domestic spaces, from kitchens to living areas and bedrooms.
This is the latest in our lookbooks series, which provides visual inspiration from Dezeen's archive. For more inspiration, see previous lookbooks featuring barn conversions with distinctive interiors and bedrooms containing blocky platform beds.
Urban Cabin, Italy, by Francesca Perani
Blue-painted storage compartments are concealed by hinged lids in this micro apartment designed by architect Francesca Perani.
The richly saturated colour also picks out details in other areas of the space – such as window edges and a slither of one wall – and adds contrast in the otherwise warm-toned, neutral space, which is lined with oriented strand board.
Find out more about Urban Cabin ›
Casa A12, Spain, by Lucas y Hernández-Gil
Spanish studio Lucas y Hernández Gil concealed a small bathroom within a blue corrugated pod in the basement of this apartment in Madrid, which has a striped appearance when reflecting light from two large windows.
The floor-to-ceiling structure is the only permanent fixture in the white-painted space, which is otherwise scantly furnished, allowing it to take centre stage while serving a functional purpose.
Find out more about Casa A12 ›
Retroscena, Italy, by La Macchina Studio
An arched doorway with an extruded, tunnel-like surround, both painted deep blue, creates a portal between the kitchen and bedroom in this Rome apartment by architecture office La Macchina Studio.
The graphic feature was combined with blue accents in other areas of the flat, including a sofa and a sideboard in the living area as well as a moody bathroom with dark blue walls.
Find out more about Retroscena ›
B&B Entrenous, Belgium, by Atelier Janda Vanderghote
Dusky cobalt kitchen cabinets are among the bespoke blue structures installed during the renovation of this historic house in Ghent by local studio Atelier Janda Vanderghote.
The colour features to some degree in most areas of the building, which now serves as a guesthouse. It was chosen in order to tie the wider material palette together, which combines concrete, terrazzo and wood.
Find out more about B&B Entrenous ›
Thane apartment, India, by The Act of Quad
The inside of an arched, wall-mounted drinks cabinet is finished in a deep royal blue in this Indian apartment by local studio The Act of Quad.
Other details picked out in the colour are light fixtures, chairs, decor pieces and hemispherical wooden balls that are dotted around on furnishings, all of which add a sense of dynamism in the otherwise neutrally decorated spaces.
Find out more about Thane apartment ›
The Author's House, Denmark, by Sleth
The open-plan living area of this Danish cabin features a centrally-placed chimney stack rendered with dark blue paint.
Architecture and landscape design office Sleth chose the shade to create playful friction with the rest of the gabled space, which is lined with Douglas fir planks.
Loft in Poblenou, Spain, by NeuronaLab
Barcelona-based architecture office NeuronaLab added a sky blue multipurpose volume to this loft apartment in the city's Poblenou neighbourhood.
Its light aquamarine exterior is made up of recycled cellulose panels and houses storage as well as a staircase leading to a mezzanine.
Find out more about Loft in Poblenou ›
EGR Apartment, Ukraine, by Ater Architects
Electric blue floor-to-ceiling curtains were used in place of partition walls in this Kyiv apartment designed by Ukrainian studio Ater Architects.
The drapery creates a consistent dramatic presence throughout the interior, and is offset by the otherwise neutral colour and material palette, which includes stone, wooden floorboards and concrete.
Find out more about EGR Apartment ›
Balmoral Blue House, Australia, by Esoteriko
Interiors studio Esoteriko layered many shades of blue in this monochromatic bedroom, which gives the Balmoral Blue House its name.
A navy blue Componibili storage unit by Kartell acts as a bedside table and sits against a backdrop of cerulean-hued walls, creating a peaceful yet visually striking space.
Find out more about Balmoral Blue House ›
Forest Hill house, UK, by 2LG Studio
Concealed within a built-in cupboard, a workstation finished in an invigorating shade of dark blue creates contrast in this pastel-toned kitchen by London design practice 2LG Studio.
Nearby, a square picture window is flanked above and below by azure-tinted semicircular mirrors, adding another blue feature to the space.
Find out more about Forest Hill house ›
This is the latest in our lookbooks series, which provides visual inspiration from Dezeen's archive. For more inspiration, see previous lookbooks featuring barn conversions with distinctive interiors and bedrooms containing blocky platform beds.