#183f44 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	11.45:1	pass	pass	pass	Passes AAA — no fix needed.
Aaon black	1.83:1	fail	fail	fail	AA: use #31818c as the text (4.65:1) AAA: use #3ea4b1 as the text (7.15:1) AA: or shift the background to #a3a3a3 (4.54:1) AAA: or shift the background to #cccccc (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #183f44 as the background.

Brands using this color

Fonts for this mood

#183f44 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 #183f44

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 #183f44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/183f44-a2b8be-df4e83-1f262d-e9f1ee?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