Color

#6561bd

#6561bd
hex#6561bd
rgbrgb(101, 97, 189)
hslhsl(243, 41%, 56%)
oklchoklch(0.541 0.14 282.6)
Closest name: slateblue (#6a5acd)Relative luminance 0.1499

Colors that go with #6561bd

Charcoal, Sea Green 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b8bd61

#618abd · #9361bd

#bd6561 · #61bd65

Split-complementary

Open in tool →

#bd9361 · #8abd61

#bd618a · #b8bd61 · #61bd93

Contrast

#6561bd as textRatioAAAA largeAAAFix
Aaon white
5.25:1passpassfail
  • AAA: use #4f4ab0 as the text (7.15:1)
Aaon black
4:1failpassfail
  • AA: use #706cc1 as the text (4.6:1)
  • AAA: use #9390d0 as the text (7.14:1)
  • AA: or shift the background to #f0f0f0 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6561bd as the background.

Brands using this color

Fonts for this mood

#6561bd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6561bd
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 #6561bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6561bd-a39cc4-dfa04e-261f2d-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