Color

#6f65fb

#6f65fb
hex#6f65fb
rgbrgb(111, 101, 251)
hslhsl(244, 95%, 69%)
oklchoklch(0.6 0.216 280.7)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.1965

Colors that go with #6f65fb

Charcoal, Sea Green and Amber 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 →

#f1fb65

#65a6fb · #ba65fb

#fb6f65 · #65fb6f

Split-complementary

Open in tool →

#fbba65 · #a6fb65

#fb65a6 · #f1fb65 · #65fbba

Contrast

#6f65fb as textRatioAAAA largeAAAFix
Aaon white
4.26:1failpassfail
  • AA: use #665bfb as the text (4.71:1)
  • AAA: use #3c2efa as the text (7.09:1)
  • AA: or shift the background to #0f0f0f (4.5:1)
Aaon black
4.93:1passpassfail
  • AAA: use #8f88fc as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6f65fb as the background.

Brands using this color

Fonts for this mood

#6f65fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6f65fb
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 #6f65fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6f65fb-a39cc4-dfa24e-261f2d-e9edf1?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