Color

#551986

#551986
hex#551986
rgbrgb(85, 25, 134)
hslhsl(273, 69%, 31%)
oklchoklch(0.373 0.167 304)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0435

Colors that go with #551986

Crimson, Royal Blue 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 →

#4a8619

#1e1986 · #861980

#865519 · #198655

Split-complementary

Open in tool →

#808619 · #19861e

#861e19 · #4a8619 · #198086

Contrast

#551986 as textRatioAAAA largeAAAFix
Aaon white
11.23:1passpasspassPasses AAA — no fix needed.
Aaon black
1.87:1failfailfail
  • AA: use #9e4edf as the text (4.61:1)
  • AAA: use #b87ee7 as the text (7.18:1)
  • AA: or shift the background to #a6a6a6 (4.61:1)
  • AAA: or shift the background to #cfcfcf (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #551986 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

#551986 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #551986
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 #551986 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/551986-b79cc4-c4cb62-2d1f2d-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