Color

#677789

#677789
hex#677789
rgbrgb(103, 119, 137)
hslhsl(212, 14%, 47%)
oklchoklch(0.563 0.034 251.5)
Closest name: Abandoned Spaceship (#747a8a)Relative luminance 0.1788

Tints & shades

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

Harmonies

Complementary

Open in tool →

#897967

#678889 · #686789

#896777 · #778967

Split-complementary

Open in tool →

#896867 · #888967

#896788 · #897967 · #678968

Contrast

#677789 as textRatioAAAA largeAAAFix
Aaon white
4.59:1passpassfail
  • AAA: use #4d5866 as the text (7.23:1)
Aaon black
4.58:1passpassfail
  • AAA: use #8b98a7 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #677789 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #677789
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #677789 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/677789-9caac4-df564e-1f202d-e9f1f1?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