Color

#552d9a

#552d9a
hex#552d9a
rgbrgb(85, 45, 154)
hslhsl(262, 55%, 39%)
oklchoklch(0.413 0.167 294.8)
Closest name: rebeccapurple (#663399)Relative luminance 0.0614

Colors that go with #552d9a

Royal Blue, Blue and Crimson 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 →

#729a2d

#2d3b9a · #8c2d9a

#9a552d · #2d9a55

Split-complementary

Open in tool →

#9a8c2d · #3b9a2d

#9a2d3b · #729a2d · #2d9a8c

Contrast

#552d9a as textRatioAAAA largeAAAFix
Aaon white
9.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #875dd0 as the text (4.51:1)
  • AAA: use #a788dd as the text (7.21:1)
  • AA: or shift the background to #b5b5b5 (4.6:1)
  • AAA: or shift the background to #dedede (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #552d9a 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

#552d9a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #552d9a
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 #552d9a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/552d9a-af9cc4-dfce4e-2a1f2d-e9eaf1?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