Color

#667ba9

#667ba9
hex#667ba9
rgbrgb(102, 123, 169)
hslhsl(221, 28%, 53%)
oklchoklch(0.585 0.075 265.2)
Closest name: Bay View (#6a819e)Relative luminance 0.1986

Colors that go with #667ba9

Charcoal, Copper and Sea Green 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 →

#a99366

#669ca9 · #7266a9

#a9667b · #7ba966

Split-complementary

Open in tool →

#a97266 · #9ca966

#a9669c · #a99366 · #66a972

Contrast

#667ba9 as textRatioAAAA largeAAAFix
Aaon white
4.22:1failpassfail
  • AA: use #5f75a5 as the text (4.59:1)
  • AAA: use #46577c as the text (7.2:1)
  • AA: or shift the background to #0f0f0f (4.54:1)
Aaon black
4.97:1passpassfail
  • AAA: use #8697bb as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #667ba9 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 #667ba9
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 #667ba9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/667ba9-9ca4c4-df6b4e-211f2d-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