Color

#656cb3

#656cb3
hex#656cb3
rgbrgb(101, 108, 179)
hslhsl(235, 34%, 55%)
oklchoklch(0.557 0.11 277.9)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1675

Colors that go with #656cb3

Charcoal, Medium Sea Green and Midnight 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 →

#b3ad65

#6593b3 · #8665b3

#b3656c · #6cb365

Split-complementary

Open in tool →

#b38665 · #93b365

#b36593 · #b3ad65 · #65b386

Contrast

#656cb3 as textRatioAAAA largeAAAFix
Aaon white
4.83:1passpassfail
  • AAA: use #4c529a as the text (7.05:1)
Aaon black
4.35:1failpassfail
  • AA: use #696fb5 as the text (4.54:1)
  • AAA: use #8e93c7 as the text (7.15:1)
  • AA: or shift the background to #f7f7f7 (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 #656cb3 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 #656cb3
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 #656cb3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/656cb3-9e9cc4-df8d4e-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