Color

#550c53

#550c53
hex#550c53
rgbrgb(85, 12, 83)
hslhsl(302, 75%, 19%)
oklchoklch(0.322 0.133 329.4)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0282

Colors that go with #550c53

Sea Green, Denim and Tomato 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 →

#0c550f

#330c55 · #550c2e

#52550c · #0c5255

Split-complementary

Open in tool →

#2e550c · #0c5533

#55330c · #0c550f · #0c2e55

Contrast

#550c53 as textRatioAAAA largeAAAFix
Aaon white
13.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #cd1dc7 as the text (4.6:1)
  • AAA: use #e85ee3 as the text (7.14:1)
  • AA: or shift the background to #969696 (4.54:1)
  • AAA: or shift the background to #bdbdbd (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #550c53 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

#550c53 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #550c53
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 #550c53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/550c53-c19fbc-91cb62-2d1f27-eee9f1?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