Color

#6f8395

#6f8395
hex#6f8395
rgbrgb(111, 131, 149)
hslhsl(208, 15%, 51%)
oklchoklch(0.6 0.036 245.6)
Closest name: Slate Gray (#708090)Relative luminance 0.2178

Colors that go with #6f8395

Charcoal, Copper and Champagne 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 →

#95816f

#6f9594 · #6f7195

#956f83 · #83956f

Split-complementary

Open in tool →

#956f71 · #95946f

#946f95 · #95816f · #71956f

Contrast

#6f8395 as textRatioAAAA largeAAAFix
Aaon white
3.92:1failpassfail
  • AA: use #647687 as the text (4.68:1)
  • AAA: use #4c5a67 as the text (7.08:1)
  • AA: or shift the background to #171717 (4.57:1)
Aaon black
5.36:1passpassfail
  • AAA: use #8797a6 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6f8395 as the background.

Brands using this color

mcpConnect your agent — build around #6f8395
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 #6f8395 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6f8395-9cadc4-df4e51-1f212d-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