Color

#6f4bc3

#6f4bc3
hex#6f4bc3
rgbrgb(111, 75, 195)
hslhsl(258, 50%, 53%)
oklchoklch(0.516 0.179 292.9)
Closest name: slateblue (#6a5acd)Relative luminance 0.1235

Colors that go with #6f4bc3

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 →

#9fc34b

#4b63c3 · #ab4bc3

#c36f4b · #4bc36f

Split-complementary

Open in tool →

#c3ab4b · #63c34b

#c34b63 · #9fc34b · #4bc3ab

Contrast

#6f4bc3 as textRatioAAAA largeAAAFix
Aaon white
6.05:1passpassfail
  • AAA: use #643ebb as the text (7.12:1)
Aaon black
3.47:1failpassfail
  • AA: use #8262cb as the text (4.56:1)
  • AAA: use #a38cd9 as the text (7.31:1)
  • AA: or shift the background to #e0e0e0 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6f4bc3 as the background.

Brands using this color

Fonts for this mood

#6f4bc3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6f4bc3
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 #6f4bc3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6f4bc3-ad9cc4-dfc44e-291f2d-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