Color

#b561e5

#b561e5
hex#b561e5
rgbrgb(181, 97, 229)
hslhsl(278, 72%, 64%)
oklchoklch(0.645 0.201 311.4)
Closest name: Lavender (#b56edc)Relative luminance 0.2403

Colors that go with #b561e5

Olive Drab, Charcoal and Dark Goldenrod lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#92e561

#7361e5 · #e561d4

#e5b561 · #61e5b5

Split-complementary

Open in tool →

#d4e561 · #61e573

#e57361 · #92e561 · #61d4e5

Contrast

#b561e5 as textRatioAAAA largeAAAFix
Aaon white
3.62:1failpassfail
  • AA: use #a847e1 as the text (4.51:1)
  • AAA: use #861fc1 as the text (7.05:1)
  • AA: or shift the background to #1f1f1f (4.56:1)
Aaon black
5.81:1passpassfail
  • AAA: use #bf77e9 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b561e5 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

#b561e5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b561e5
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b561e5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b561e5-ba9cc4-bbcb62-2d1f2c-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