Color

#6569b3

#6569b3
hex#6569b3
rgbrgb(101, 105, 179)
hslhsl(237, 34%, 55%)
oklchoklch(0.551 0.114 279.6)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1612

Colors that go with #6569b3

Charcoal, Amber and 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 →

#b3af65

#6590b3 · #8865b3

#b36569 · #69b365

Split-complementary

Open in tool →

#b38865 · #90b365

#b36590 · #b3af65 · #65b388

Contrast

#6569b3 as textRatioAAAA largeAAAFix
Aaon white
4.97:1passpassfail
  • AAA: use #4d519d as the text (7.05:1)
Aaon black
4.22:1failpassfail
  • AA: use #6c70b7 as the text (4.64:1)
  • AAA: use #8e91c7 as the text (7.03:1)
  • AA: or shift the background to #f5f5f5 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6569b3 as the background.

Brands using this color

mcpConnect your agent — build around #6569b3
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 #6569b3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6569b3-9f9cc4-df924e-251f2d-e9edf1?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