Color

#6675cc

#6675cc
hex#6675cc
rgbrgb(102, 117, 204)
hslhsl(231, 50%, 60%)
oklchoklch(0.591 0.134 274.2)
Closest name: Flood (#6677bb)Relative luminance 0.1991

Colors that go with #6675cc

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 →

#ccbd66

#66a8cc · #8a66cc

#cc6675 · #75cc66

Split-complementary

Open in tool →

#cc8a66 · #a8cc66

#cc66a8 · #ccbd66 · #66cc8a

Contrast

#6675cc as textRatioAAAA largeAAAFix
Aaon white
4.22:1failpassfail
  • AA: use #5e6ec9 as the text (4.62:1)
  • AAA: use #3c4eb4 as the text (7.14:1)
  • AA: or shift the background to #0f0f0f (4.55:1)
Aaon black
4.98:1passpassfail
  • AAA: use #8591d6 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6675cc as the background.

Brands using this color

Fonts for this mood

#6675cc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6675cc
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 #6675cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6675cc-9c9ec4-df834e-231f2d-e9eef1?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