#e3eaf3 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	1.21:1	fail	fail	fail	AA: use #4b76af as the text (4.66:1) AAA: use #395984 as the text (7.15:1) AA: or shift the background to #696969 (4.53:1) AAA: or shift the background to #4a4a4a (7.31:1)
Aaon black	17.33:1	pass	pass	pass	Passes AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e3eaf3 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

3fb950 58a6ff f778ba 0b0f14 e6edf3

Terminal

Open in tool →

Green for success, blue for links, pink for emphasis — the dark-mode developer family, tuned to sit on near-black without glare.

Technical Dark Modern

38bdf8 818cf8 fbbf24 0f172a e2e8f0

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

c9a227 7c8aa5 34d399 0c1222 e8edf5

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

Fonts for this mood

#e3eaf3 reads as cool, light, clean. The font library is tagged with the same vocabulary:

Clean fonts →Modern fonts →

mcpConnect your agent — build around #e3eaf3

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 #e3eaf3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e3eaf3-9ca9c4-df5a4e-1f1f2d-e9f0f1?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