Color

#6549ca

#6549ca
hex#6549ca
rgbrgb(101, 73, 202)
hslhsl(253, 55%, 54%)
oklchoklch(0.509 0.19 287.6)
Closest name: slateblue (#6a5acd)Relative luminance 0.118

Colors that go with #6549ca

Slate Gray, Olive Green and Charcoal 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 #6549ca

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aeca49

#496eca · #a649ca

#ca6549 · #49ca65

Split-complementary

Open in tool →

#caa649 · #6eca49

#ca496e · #aeca49 · #49caa6

Contrast

#6549ca as textRatioAAAA largeAAAFix
Aaon white
6.25:1passpassfail
  • AAA: use #5b3dc7 as the text (7.15:1)
Aaon black
3.36:1failpassfail
  • AA: use #7d65d2 as the text (4.66:1)
  • AAA: use #9e8cde as the text (7.26:1)
  • AA: or shift the background to #dbdbdb (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6549ca as the background.

Brands using this color

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

Fonts for this mood

#6549ca reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6549ca
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 #6549ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6549ca-a99cc4-dfb84e-281f2d-e9ebf1?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