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Colour guide

blues / semi-gloss

Deep Cerulean

#005670

Quality 0.94

Deep Cerulean is a deep, cool blue with a semi-gloss finish, marked by HEX #005670. It's particularly effective in joinery, studies, front doors, and feature walls where a serene and clear tone is preferred over a bold statement. This colour can change significantly under different lighting conditions and in relation to surrounding materials. It's advisable to sample it next to trims, flooring, cabinetry, and fabrics before making a full-room decision. Begin with a simple palette and introduce a stronger accent only if the sample appears flat.

Overview

Deep Cerulean is a deep, cool blue with a semi-gloss finish, marked by HEX #005670. It's particularly effective in joinery, studies, front doors, and feature walls where a serene and clear tone is preferred over a bold statement. This colour can change significantly under different lighting conditions and in relation to surrounding materials. It's advisable to sample it next to trims, flooring, cabinetry, and fabrics before making a full-room decision. Begin with a simple palette and introduce a stronger accent only if the sample appears flat.

RGB

0, 86, 112

HSL

194°, 100%, 22%

Contrast vs white

8.19:1

Contrast vs black

2.57:1

Quick guidance

This is a deep tone. It works best as an accent, joinery colour, or feature wall.

Where Deep Cerulean works best

Deep Cerulean is most reliable on joinery, studies, front doors, and feature walls. In larger spaces, it requires ample natural light or lighter surrounding materials to prevent the room from feeling enclosed. If unsure, start with a single wall, joinery face, robe interior, or vanity, and observe it under different lighting conditions throughout the day before expanding its use.

Pairing and contrast advice

White or very light detailing enhances contrast with Deep Cerulean, which has contrast ratios of 2.57:1 against black and 8.19:1 against white. It pairs well with crisp whites, pale timbers, limestone, brushed nickel, and charcoal accents. Without linked style profiles, keep the palette simple initially, allowing materials to contribute more to the visual impact.

Finish notes

The semi-gloss finish of Deep Cerulean makes it appear more vivid, as reflected light accentuates edges and surface variations. This works well on trim, doors, and feature joinery, but requires quality preparation. Large wall areas may feel busy unless the surrounding palette is kept simple.

Frequently asked questions

What rooms does Deep Cerulean usually suit best?

Deep Cerulean is ideal for joinery, studies, front doors, and feature walls. The best location depends on natural light, room size, and surrounding materials, so it's important to test it in the actual space rather than relying solely on a digital swatch.

What colours and materials pair well with Deep Cerulean?

Deep Cerulean pairs well with crisp whites, pale timbers, limestone, brushed nickel, and charcoal accents. Begin with adjacent neutrals and introduce a stronger accent only after the sample feels settled in the room.

Should Deep Cerulean be used with dark or light trim and text?

White or very light detailing maintains better contrast with Deep Cerulean than black. Despite contrast calculations, it's crucial to test it next to your trim colour and hardware, as sheen, texture, and room lighting can affect the final appearance.

Linked styles

0

No linked styles yet.

This colour guide now includes stronger planning content and structured FAQs, but the catalog still needs style links for better discovery and internal navigation.

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