Color

#6d91ba

#6d91ba
hex#6d91ba
rgbrgb(109, 145, 186)
hslhsl(212, 36%, 58%)
oklchoklch(0.646 0.074 252.2)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2705

Colors that go with #6d91ba

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 #6d91ba

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ba966d

#6db8ba · #706dba

#ba6d91 · #91ba6d

Split-complementary

Open in tool →

#ba706d · #b8ba6d

#ba6db8 · #ba966d · #6dba70

Contrast

#6d91ba as textRatioAAAA largeAAAFix
Aaon white
3.28:1failpassfail
  • AA: use #4e77a6 as the text (4.65:1)
  • AAA: use #3b5a7d as the text (7.13:1)
  • AA: or shift the background to #262626 (4.62:1)
Aaon black
6.41:1passpassfail
  • AAA: use #7899bf 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 #6d91ba 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

Fonts for this mood

#6d91ba reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6d91ba
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 #6d91ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6d91ba-9caac4-df564e-1f202d-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