Color

#542291

#542291
hex#542291
rgbrgb(84, 34, 145)
hslhsl(267, 62%, 35%)
oklchoklch(0.391 0.169 298.6)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0507

Colors that go with #542291

Royal Blue, 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 →

#5f9122

#222791 · #8b2291

#915422 · #229154

Split-complementary

Open in tool →

#918b22 · #279122

#912227 · #5f9122 · #22918b

Contrast

#542291 as textRatioAAAA largeAAAFix
Aaon white
10.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #935ad8 as the text (4.69:1)
  • AAA: use #ae83e2 as the text (7.14:1)
  • AA: or shift the background to #ababab (4.54:1)
  • AAA: or shift the background to #d4d4d4 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #542291 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

#542291 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #542291
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 #542291 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/542291-b39cc4-dfda4e-2c1f2d-e9eaf1?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