Color

#540aae

#540aae
hex#540aae
rgbrgb(84, 10, 174)
hslhsl(267, 89%, 36%)
oklchoklch(0.401 0.216 292.9)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0516

Colors that go with #540aae

Royal Blue, Olive Green and Charcoal 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 →

#64ae0a

#0a12ae · #a50aae

#ae540a · #0aae54

Split-complementary

Open in tool →

#aea50a · #12ae0a

#ae0a12 · #64ae0a · #0aaea5

Contrast

#540aae as textRatioAAAA largeAAAFix
Aaon white
10.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #9548f4 as the text (4.51:1)
  • AAA: use #b47df7 as the text (7.22:1)
  • AA: or shift the background to #ababab (4.5:1)
  • AAA: or shift the background to #d6d6d6 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #540aae 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

#540aae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #540aae
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 #540aae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/540aae-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