Color

#667199

#667199
hex#667199
rgbrgb(102, 113, 153)
hslhsl(227, 20%, 50%)
oklchoklch(0.555 0.064 272.3)
Closest name: Bureaucracy (#746c8f)Relative luminance 0.1693

Colors that go with #667199

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.

Real palettes that use #667199

Tints & shades

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

Harmonies

Complementary

Open in tool →

#998e66

#668b99 · #746699

#996671 · #719966

Split-complementary

Open in tool →

#997466 · #8b9966

#99668b · #998e66 · #669974

Contrast

#667199 as textRatioAAAA largeAAAFix
Aaon white
4.79:1passpassfail
  • AAA: use #4e5674 as the text (7.22:1)
Aaon black
4.39:1failpassfail
  • AA: use #69749b as the text (4.57:1)
  • AAA: use #8e96b4 as the text (7.17:1)
  • AA: or shift the background to #fafafa (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #667199 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 #667199
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 #667199 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/667199-9ca0c4-df7a4e-221f2d-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