#2b90fd as text	Ratio	AA	AA large	AAA	Fix
Aaon white	3.23:1	fail	pass	fail	AA: use #0271e8 as the text (4.64:1) AAA: use #0256b1 as the text (7.07:1) AA: or shift the background to #292929 (4.51:1)
Aaon black	6.51:1	pass	pass	fail	AAA: use #3a98fd as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b90fd as the background.

Brands using this color

HashiCorpsecondary · #2b89ff · Δ1.884

Fonts for this mood

#2b90fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →

mcpConnect your agent — build around #2b90fd

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 #2b90fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b90fd-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