Color

#677198

#677198
hex#677198
rgbrgb(103, 113, 152)
hslhsl(228, 19%, 50%)
oklchoklch(0.556 0.062 273.1)
Closest name: Bureaucracy (#746c8f)Relative luminance 0.1696

Colors that go with #677198

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 #677198

Tints & shades

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

Harmonies

Complementary

Open in tool →

#988e67

#678998 · #766798

#986771 · #719867

Split-complementary

Open in tool →

#987667 · #899867

#986789 · #988e67 · #679876

Contrast

#677198 as textRatioAAAA largeAAAFix
Aaon white
4.78:1passpassfail
  • AAA: use #4e5673 as the text (7.23:1)
Aaon black
4.39:1failpassfail
  • AA: use #6a749a as the text (4.58:1)
  • AAA: use #8f96b3 as the text (7.18:1)
  • AA: or shift the background to #fafafa (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #677198 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 #677198
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 #677198 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/677198-9c9fc4-df7c4e-231f2d-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