Color

#668293

#668293
hex#668293
rgbrgb(102, 130, 147)
hslhsl(203, 18%, 49%)
oklchoklch(0.591 0.041 235.1)
Closest name: Citadel (#6a7f8b)Relative luminance 0.209

Colors that go with #668293

Charcoal, Copper and Champagne 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 →

#937866

#66938e · #666c93

#936682 · #829366

Split-complementary

Open in tool →

#93666c · #938e66

#8e6693 · #937866 · #6c9366

Contrast

#668293 as textRatioAAAA largeAAAFix
Aaon white
4.05:1failpassfail
  • AA: use #607a8a as the text (4.52:1)
  • AAA: use #475a66 as the text (7.19:1)
  • AA: or shift the background to #141414 (4.54:1)
Aaon black
5.18:1passpassfail
  • AAA: use #849ba9 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668293 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 #668293
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 #668293 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668293-9cb0c4-df4e5d-1f222d-e9f1f0?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