Color

#6686cc

#6686cc
hex#6686cc
rgbrgb(102, 134, 204)
hslhsl(221, 50%, 60%)
oklchoklch(0.626 0.112 264.7)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2423

Colors that go with #6686cc

Charcoal, Copper 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 →

#ccac66

#66b9cc · #7966cc

#cc6686 · #86cc66

Split-complementary

Open in tool →

#cc7966 · #b9cc66

#cc66b9 · #ccac66 · #66cc79

Contrast

#6686cc as textRatioAAAA largeAAAFix
Aaon white
3.59:1failpassfail
  • AA: use #4f74c4 as the text (4.54:1)
  • AAA: use #34559d as the text (7.16:1)
  • AA: or shift the background to #1f1f1f (4.59:1)
Aaon black
5.85:1passpassfail
  • AAA: use #7995d2 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6686cc 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

#6686cc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6686cc
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 #6686cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6686cc-9ca4c4-df6b4e-211f2d-e9eff1?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