Color

#667b93

#667b93
hex#667b93
rgbrgb(102, 123, 147)
hslhsl(212, 18%, 49%)
oklchoklch(0.575 0.045 252)
Closest name: Citadel (#6a7f8b)Relative luminance 0.191

Colors that go with #667b93

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.

Real palettes that use #667b93

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#937e66

#669293 · #686693

#93667b · #7b9366

Split-complementary

Open in tool →

#936866 · #929366

#936692 · #937e66 · #669368

Contrast

#667b93 as textRatioAAAA largeAAAFix
Aaon white
4.36:1failpassfail
  • AA: use #62768d as the text (4.67:1)
  • AAA: use #495869 as the text (7.28:1)
  • AA: or shift the background to #0a0a0a (4.54:1)
Aaon black
4.82:1passpassfail
  • AAA: use #8798ab as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #667b93 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 #667b93
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 #667b93 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/667b93-9caac4-df564e-1f202d-e9f1f1?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