Color

#6685cc

#6685cc
hex#6685cc
rgbrgb(102, 133, 204)
hslhsl(222, 50%, 60%)
oklchoklch(0.624 0.114 265.3)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2396

Colors that go with #6685cc

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 →

#ccad66

#66b8cc · #7a66cc

#cc6685 · #85cc66

Split-complementary

Open in tool →

#cc7a66 · #b8cc66

#cc66b8 · #ccad66 · #66cc7a

Contrast

#6685cc as textRatioAAAA largeAAAFix
Aaon white
3.63:1failpassfail
  • AA: use #4f72c4 as the text (4.63:1)
  • AAA: use #34549d as the text (7.24:1)
  • AA: or shift the background to #1f1f1f (4.55:1)
Aaon black
5.79:1passpassfail
  • AAA: use #7d97d4 as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6685cc 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

#6685cc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6685cc
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 #6685cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6685cc-9ca3c4-df6e4e-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