#905cfa as text	Ratio	AA	AA large	AAA	Fix
Aaon white	4.12:1	fail	pass	fail	AA: use #864df9 as the text (4.73:1) AAA: use #6216f8 as the text (7.02:1) AA: or shift the background to #121212 (4.55:1)
Aaon black	5.1:1	pass	pass	fail	AAA: use #a87efb 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 #905cfa as the background.

Brands using this color

Obsidiansecondary · #8a5cf5 · Δ1.238

Palettes built around it

8b5cf6 c4b5fd f472b6 faf7ff 2e1f47

Lavender Haze

Open in tool →

Violet and pink on lilac-white: Gen-Z friendly, while the deep plum text keeps it legible.

Playful Cool Light

Fonts for this mood

#905cfa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →

mcpConnect your agent — build around #905cfa

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 #905cfa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/905cfa-ae9cc4-dfc94e-2a1f2d-e9ebf1?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