Color

#6a899a

#6a899a
hex#6a899a
rgbrgb(106, 137, 154)
hslhsl(201, 19%, 51%)
oklchoklch(0.613 0.044 232.4)
Closest name: lightslategray (#778899)Relative luminance 0.2329

Colors that go with #6a899a

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 →

#9a7b6a

#6a9a93 · #6a719a

#9a6a89 · #899a6a

Split-complementary

Open in tool →

#9a6a71 · #9a936a

#936a9a · #9a7b6a · #719a6a

Contrast

#6a899a as textRatioAAAA largeAAAFix
Aaon white
3.71:1failpassfail
  • AA: use #5d7989 as the text (4.6:1)
  • AAA: use #465c67 as the text (7.03:1)
  • AA: or shift the background to #1c1c1c (4.59:1)
Aaon black
5.66:1passpassfail
  • AAA: use #809aa8 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6a899a as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #6a899a
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 #6a899a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6a899a-9cb1c4-df4e62-1f222d-e9f1f0?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