Blue is one of the easiest colours to live with, and a vertical blind is the format for the large windows it often dresses. A vertical hangs as a run of fabric louvres that rotate for light and draw aside to clear the glass, so it suits patio doors, bay windows, conservatories and wide office glazing - all places a calm blue works well. This guide spans a value plain, a blackout and a moisture-resistant option, drawn from three different UK retailers.
What blue brings to a room
Blue is the restful, calming end of the colour wheel, which is why it suits bedrooms, bathrooms and the conservatories and garden rooms verticals so often cover, with a coastal note a sunroom can lean into. From pale duck egg and sky through cornflower to deep navy, a blue vertical reads cool and serene, and the louvre format breaks a deeper navy so it carries comfortably across a big window.
Choose by shade: a pale duck egg is almost a soft neutral; a cornflower or denim is the clear middle; a navy is a confident, enclosing statement. Aspect matters - a north-facing room cools blue further towards grey, while a south-facing room keeps it warm - so test a sample against your light.
What to look for
Louvre width. Vanes are usually 89mm, with 127mm for very large windows.
Opacity. Light-filtering blues screen and soften daylight; a blackout vane suits a bedroom or a glare-prone office; a moisture-resistant fabric suits bathrooms and conservatories, where blue is a common choice.
Operation and safety. Verticals draw and rotate on a wand or chain - a wand-operated, cord-free system is safer near children, in line with UK requirements, and tidier on a door you use often.
Stack and draw. To one side, split to both, or stacked at one end - choose to suit how you use a patio or bi-fold door.
Fitting. Top-fix or face-fix with clearance above and a flat run to stack into; verticals handle tall and wide openings a roller cannot.
How we chose
Three routes into a blue vertical, each from a different retailer: a low-cost moisture-resistant duck egg, a blackout royal blue for sleep and glare, and a range with more blue choice.
Our picks
Chloe Moisture Resistant Vertical Blinds
at Unbeatable Blinds
A low-cost, moisture-resistant duck-egg vertical from Unbeatable Blinds.
Orion Vertical Blinds
at 247 Blinds
A blackout royal-blue vertical from 247 Blinds for a bedroom or office.
Splash Vertical Blinds
at Blinds By Post
A blue vertical from Blinds By Post across several blue tones.
Pick details
Chloe Moisture Resistant Vertical Blinds
at Unbeatable Blinds
A low-cost, moisture-resistant duck-egg vertical from Unbeatable Blinds.
For a blue vertical at the lowest sensible price, the Chloe at Unbeatable Blinds is our value pick, and its moisture resistance makes it the practical choice for a bathroom or conservatory too. The duck-egg shade is a soft, calming blue that suits those rooms, and on the large windows verticals dress, the low entry price keeps the total down. It is the sensible starting point for a blue vertical.
Orion Vertical Blinds
at 247 Blinds
A blackout royal-blue vertical from 247 Blinds for a bedroom or office.
When the blue needs to cut light - a bedroom, or an office with screen glare - the Orion at 247 Blinds is our blackout pick. Its royal-blue vanes block daylight rather than dim it; rotate them closed for darkness or angle them to take light without glare. At a low-to-mid entry price for a blackout vertical, it is the choice for a sleep or glare-prone room. 247 Blinds is a second retailer to compare.
Splash Vertical Blinds
at Blinds By Post
A blue vertical from Blinds By Post across several blue tones.
For more choice of blue, the Splash at Blinds By Post is our pick. It carries blue across several tones, so you can match the exact shade - from a soft brittany blue to deeper navies - rather than taking the only one a range offers, at a low entry price. Blinds By Post is the third retailer here to compare. It is the pick when the precise blue matters and you want options without a premium.
What we didn't include
We have kept this guide to blue, and to a value plain, a blackout and a choice option. Other colours have their own guides. Motorised tracks suit very wide or high glazing but are an option rather than a different product; patterned vanes are a separate brief.