Color

#656b9f

#656b9f
hex#656b9f
rgbrgb(101, 107, 159)
hslhsl(234, 23%, 51%)
oklchoklch(0.544 0.081 278.3)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1579

Colors that go with #656b9f

Charcoal, Amber 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.

Real palettes that use #656b9f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9f9965

#65889f · #7c659f

#9f656b · #6b9f65

Split-complementary

Open in tool →

#9f7c65 · #889f65

#9f6588 · #9f9965 · #659f7c

Contrast

#656b9f as textRatioAAAA largeAAAFix
Aaon white
5.05:1passpassfail
  • AAA: use #515581 as the text (7.08:1)
Aaon black
4.16:1failpassfail
  • AA: use #6c71a3 as the text (4.53:1)
  • AAA: use #9195ba as the text (7.21:1)
  • AA: or shift the background to #f2f2f2 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #656b9f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #656b9f
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 #656b9f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/656b9f-9d9cc4-df8a4e-241f2d-e9eef1?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