Color

#b643ef

#b643ef
hex#b643ef
rgbrgb(182, 67, 239)
hslhsl(280, 84%, 60%)
oklchoklch(0.618 0.25 311.8)
Closest name: Magento (#bf3cff)Relative luminance 0.2019

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#7cef43

#6043ef · #ef43d2

#efb643 · #43efb6

Split-complementary

Open in tool →

#d2ef43 · #43ef60

#ef6043 · #7cef43 · #43d2ef

Contrast

#b643ef as textRatioAAAA largeAAAFix
Aaon white
4.17:1failpassfail
  • AA: use #b035ed as the text (4.59:1)
  • AAA: use #8911c5 as the text (7.12:1)
  • AA: or shift the background to #0f0f0f (4.6:1)
Aaon black
5.04:1passpassfail
  • AAA: use #c872f3 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b643ef as the background.

Brands using this color

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

Fonts for this mood

#b643ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b643ef
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 #b643ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b643ef-b99fc1-b8cb62-2d1f2c-ebe9f1?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