Color

#55237b

#55237b
hex#55237b
rgbrgb(85, 35, 123)
hslhsl(274, 56%, 31%)
oklchoklch(0.375 0.144 306.7)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0456

Colors that go with #55237b

Charcoal, Crimson and Midnight 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 →

#497b23

#29237b · #7b2375

#7b5523 · #237b55

Split-complementary

Open in tool →

#757b23 · #237b29

#7b2923 · #497b23 · #23757b

Contrast

#55237b as textRatioAAAA largeAAAFix
Aaon white
10.98:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #9a54cf as the text (4.54:1)
  • AAA: use #b380db as the text (7.03:1)
  • AA: or shift the background to #a6a6a6 (4.51:1)
  • AAA: or shift the background to #cfcfcf (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #55237b 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

#55237b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #55237b
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 #55237b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55237b-b79cc4-c2cb62-2d1f2d-eae9f1?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