Color

#552db4

#552db4
hex#552db4
rgbrgb(85, 45, 180)
hslhsl(258, 60%, 44%)
oklchoklch(0.436 0.197 289)
Closest name: Blurple (#5539cc)Relative luminance 0.071

Colors that go with #552db4

Charcoal, Royal Blue and 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 →

#8bb42d

#2d48b4 · #992db4

#b4552d · #2db455

Split-complementary

Open in tool →

#b4992d · #48b42d

#b42d48 · #8bb42d · #2db499

Contrast

#552db4 as textRatioAAAA largeAAAFix
Aaon white
8.68:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #8460d7 as the text (4.64:1)
  • AAA: use #a389e1 as the text (7.22:1)
  • AA: or shift the background to #bdbdbd (4.62:1)
  • AAA: or shift the background to #e8e8e8 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #552db4 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

#552db4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #552db4
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 #552db4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/552db4-ad9cc4-dfc44e-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