Color

#6e66cc

#6e66cc
hex#6e66cc
rgbrgb(110, 102, 204)
hslhsl(245, 50%, 60%)
oklchoklch(0.568 0.153 284)
Closest name: slateblue (#6a5acd)Relative luminance 0.1718

Colors that go with #6e66cc

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 →

#c3cc66

#6691cc · #a166cc

#cc6e66 · #66cc6f

Split-complementary

Open in tool →

#cca266 · #91cc66

#cc6691 · #c3cc66 · #66cca2

Contrast

#6e66cc as textRatioAAAA largeAAAFix
Aaon white
4.73:1passpassfail
  • AAA: use #4e44c1 as the text (7.19:1)
Aaon black
4.44:1failpassfail
  • AA: use #726acd as the text (4.66:1)
  • AAA: use #9690da as the text (7.3:1)
  • AA: or shift the background to #fafafa (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6e66cc 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

#6e66cc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6e66cc
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 #6e66cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6e66cc-a49cc4-dfa54e-261f2d-e9ecf1?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