Color

#687687

#687687
hex#687687
rgbrgb(104, 118, 135)
hslhsl(213, 13%, 47%)
oklchoklch(0.56 0.031 253.4)
Closest name: Abandoned Spaceship (#747a8a)Relative luminance 0.1765

Tints & shades

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

Harmonies

Complementary

Open in tool →

#877968

#688687 · #6a6887

#876876 · #768768

Split-complementary

Open in tool →

#876a68 · #868768

#876886 · #877968 · #68876a

Contrast

#687687 as textRatioAAAA largeAAAFix
Aaon white
4.64:1passpassfail
  • AAA: use #4e5865 as the text (7.22:1)
Aaon black
4.53:1passpassfail
  • AAA: use #8c98a6 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 #687687 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 #687687
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 #687687 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/687687-9ca9c4-df584e-1f202d-e9f0f1?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