Color

#6c8eb7

#6c8eb7
hex#6c8eb7
rgbrgb(108, 142, 183)
hslhsl(213, 34%, 57%)
oklchoklch(0.637 0.073 253.5)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2595

Colors that go with #6c8eb7

Charcoal, Copper and Amber 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.

Real palettes that use #6c8eb7

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b7956c

#6cb3b7 · #706cb7

#b76c8e · #8eb76c

Split-complementary

Open in tool →

#b7706c · #b3b76c

#b76cb3 · #b7956c · #6cb770

Contrast

#6c8eb7 as textRatioAAAA largeAAAFix
Aaon white
3.39:1failpassfail
  • AA: use #5279a7 as the text (4.51:1)
  • AAA: use #3d597b as the text (7.21:1)
  • AA: or shift the background to #242424 (4.58:1)
Aaon black
6.19:1passpassfail
  • AAA: use #7a98bd as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6c8eb7 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 #6c8eb7
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 #6c8eb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6c8eb7-9ca9c4-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