Color

#656b81

#656b81
hex#656b81
rgbrgb(101, 107, 129)
hslhsl(227, 12%, 45%)
oklchoklch(0.531 0.035 273.2)
Closest name: Ashen Whisper (#646b7a)Relative luminance 0.1487

Colors that go with #656b81

Charcoal, Champagne 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 #656b81

Tints & shades

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

Harmonies

Complementary

Open in tool →

#817b65

#657981 · #6d6581

#81656b · #6b8165

Split-complementary

Open in tool →

#816d65 · #798165

#816579 · #817b65 · #65816d

Contrast

#656b81 as textRatioAAAA largeAAAFix
Aaon white
5.29:1passpassfail
  • AAA: use #53586a as the text (7.07:1)
Aaon black
3.97:1failpassfail
  • AA: use #6e748c as the text (4.54:1)
  • AAA: use #9095a7 as the text (7.04:1)
  • AA: or shift the background to #ededed (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 #656b81 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 #656b81
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 #656b81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/656b81-9ca0c4-df7a4e-221f2d-e9eff1?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