Color

#6f869b

#6f869b
hex#6f869b
rgbrgb(111, 134, 155)
hslhsl(209, 18%, 52%)
oklchoklch(0.61 0.042 246.1)
Closest name: lightslategray (#778899)Relative luminance 0.228

Colors that go with #6f869b

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 →

#9b846f

#6f9b9a · #6f6f9b

#9b6f85 · #859b6f

Split-complementary

Open in tool →

#9b6f6f · #9b9a6f

#9a6f9b · #9b846f · #6f9b6f

Contrast

#6f869b as textRatioAAAA largeAAAFix
Aaon white
3.78:1failpassfail
  • AA: use #62798d as the text (4.53:1)
  • AAA: use #495a69 as the text (7.12:1)
  • AA: or shift the background to #1c1c1c (4.51:1)
Aaon black
5.56:1passpassfail
  • AAA: use #879aab as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6f869b as the background.

Brands using this color

mcpConnect your agent — build around #6f869b
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 #6f869b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6f869b-9cacc4-df4e4e-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