Color

#b665f1

#b665f1
hex#b665f1
rgbrgb(182, 101, 241)
hslhsl(275, 83%, 67%)
oklchoklch(0.659 0.208 308.4)
Closest name: Lavender (#b56edc)Relative luminance 0.256

Colors that go with #b665f1

Olive Drab, Charcoal and Light Sea Green 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 →

#9ff165

#7165f1 · #f165e5

#f1b665 · #65f1b6

Split-complementary

Open in tool →

#e5f165 · #65f171

#f17165 · #9ff165 · #65e5f1

Contrast

#b665f1 as textRatioAAAA largeAAAFix
Aaon white
3.43:1failpassfail
  • AA: use #a540ed as the text (4.61:1)
  • AAA: use #8314d2 as the text (7.01:1)
  • AA: or shift the background to #242424 (4.52:1)
Aaon black
6.12:1passpassfail
  • AAA: use #bf78f2 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b665f1 as the background.

Brands using this color

Fonts for this mood

#b665f1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b665f1
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 #b665f1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b665f1-b89cc4-c0cb62-2d1f2d-eae9f1?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