Color

#668193

#668193
hex#668193
rgbrgb(102, 129, 147)
hslhsl(204, 18%, 49%)
oklchoklch(0.589 0.042 237.6)
Closest name: Citadel (#6a7f8b)Relative luminance 0.2063

Colors that go with #668193

Charcoal, Copper and Blush Pink 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

#66938f · #666b93

#936681 · #819366

Split-complementary

Open in tool →

#93666b · #938f66

#8f6693 · #937866 · #6b9366

Contrast

#668193 as textRatioAAAA largeAAAFix
Aaon white
4.1:1failpassfail
  • AA: use #607a8a as the text (4.52:1)
  • AAA: use #475a66 as the text (7.19:1)
  • AA: or shift the background to #121212 (4.57:1)
Aaon black
5.13:1passpassfail
  • AAA: use #849aa9 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668193 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 #668193
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 #668193 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668193-9cafc4-df4e5a-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