#478fdc as text	Ratio	AA	AA large	AAA	Fix
Aaon white	3.37:1	fail	pass	fail	AA: use #2778ce as the text (4.5:1) AAA: use #1d5a9a as the text (7.04:1) AA: or shift the background to #242424 (4.61:1)
Aaon black	6.23:1	pass	pass	fail	AAA: use #5899df as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #478fdc as the background.

Brands using this color

Retoolaccent · #518dd2 · Δ1.611

Fonts for this mood

#478fdc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →

mcpConnect your agent — build around #478fdc

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 #478fdc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/478fdc-9cabc4-df534e-1f202d-e9f1f1?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