Color

#6c8dac

#6c8dac
hex#6c8dac
rgbrgb(108, 141, 172)
hslhsl(209, 28%, 55%)
oklchoklch(0.63 0.06 247.2)
Closest name: lightslategray (#778899)Relative luminance 0.2522

Colors that go with #6c8dac

Charcoal, Copper and Cobalt Blue 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 →

#ac8b6c

#6cacab · #6c6dac

#ac6c8d · #8dac6c

Split-complementary

Open in tool →

#ac6c6d · #acab6c

#ab6cac · #ac8b6c · #6dac6c

Contrast

#6c8dac as textRatioAAAA largeAAAFix
Aaon white
3.47:1failpassfail
  • AA: use #567999 as the text (4.57:1)
  • AAA: use #405a72 as the text (7.18:1)
  • AA: or shift the background to #212121 (4.63:1)
Aaon black
6.04:1passpassfail
  • AAA: use #7c9ab6 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 #6c8dac 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 #6c8dac
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 #6c8dac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6c8dac-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