Color

#6c6cb2

#6c6cb2
hex#6c6cb2
rgbrgb(108, 108, 178)
hslhsl(240, 31%, 56%)
oklchoklch(0.562 0.107 282.4)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1713

Colors that go with #6c6cb2

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 →

#b2b26c

#6c8fb2 · #8f6cb2

#b26c6c · #6cb26c

Split-complementary

Open in tool →

#b28f6c · #8fb26c

#b26c8f · #b2b26c · #6cb28f

Contrast

#6c6cb2 as textRatioAAAA largeAAAFix
Aaon white
4.75:1passpassfail
  • AAA: use #51519a as the text (7.02:1)
Aaon black
4.43:1failpassfail
  • AA: use #6f6fb3 as the text (4.6:1)
  • AAA: use #9191c5 as the text (7.06:1)
  • AA: or shift the background to #fafafa (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6c6cb2 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #6c6cb2
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 #6c6cb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6c6cb2-a19cc4-df994e-251f2d-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