#0b1328 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	18.45:1	pass	pass	pass	Passes AAA — no fix needed.
Aaon black	1.14:1	fail	fail	fail	AA: use #4b70ce as the text (4.51:1) AAA: use #7b96db as the text (7.23:1) AA: or shift the background to #808080 (4.67:1) AAA: or shift the background to #a1a1a1 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b1328 as the background.

Brands using this color

Palettes built around it

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Blueprint

Open in tool →

Cyan and indigo on navy is the developer-tool look; amber is the only warm note, so it always reads as 'attention'.

Technical Cool Modern Dark

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Slate Workspace

Open in tool →

Slate on slate with a single blue — the productivity-app look where the interface disappears behind the work.

Minimal Cool Clean ModernSaas

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Ledger Dark

Open in tool →

Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy.

Dark Luxury TechnicalFintech

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Clinic

Open in tool →

Teal reads clinical without the coldness of pure blue; the coral accent adds warmth for reassurance moments.

Clean Cool LightHealth

Fonts for this mood

#0b1328 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

Luxury fonts →Bold fonts →Modern fonts →

mcpConnect your agent — build around #0b1328

live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp

claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp

try this prompt

›analyze #0b1328 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b1328-9ca3c4-df704e-211f2d-e9eff1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md