Color

#552dcd

#552dcd
hex#552dcd
rgbrgb(85, 45, 205)
hslhsl(255, 64%, 49%)
oklchoklch(0.46 0.225 284.7)
Closest name: Blurple (#5539cc)Relative luminance 0.0822

Colors that go with #552dcd

Charcoal, Sea Green and Cornflower 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 →

#a5cd2d

#2d55cd · #a52dcd

#cd552d · #2dcd55

Split-complementary

Open in tool →

#cda52d · #55cd2d

#cd2d55 · #a5cd2d · #2dcda5

Contrast

#552dcd as textRatioAAAA largeAAAFix
Aaon white
7.95:1passpasspassPasses AAA — no fix needed.
Aaon black
2.64:1failfailfail
  • AA: use #7f60dc as the text (4.61:1)
  • AAA: use #a18ae5 as the text (7.28:1)
  • AA: or shift the background to #c4c4c4 (4.56:1)
  • AAA: or shift the background to #f2f2f2 (7.1:1)

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

#552dcd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/552dcd-ab9cc4-dfbd4e-291f2d-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