Color

#543dff

#543dff
hex#543dff
rgbrgb(84, 61, 255)
hslhsl(247, 100%, 62%)
oklchoklch(0.527 0.267 277.3)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1244

Colors that go with #543dff

Charcoal, Blue and Cobalt 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 →

#e8ff3d

#3d87ff · #b53dff

#ff543d · #3dff54

Split-complementary

Open in tool →

#ffb53d · #87ff3d

#ff3d87 · #e8ff3d · #3dffb5

Contrast

#543dff as textRatioAAAA largeAAAFix
Aaon white
6.02:1passpassfail
  • AAA: use #4229ff as the text (7.02:1)
Aaon black
3.49:1failpassfail
  • AA: use #6f5cff as the text (4.65:1)
  • AAA: use #9385ff as the text (7.04:1)
  • AA: or shift the background to #e0e0e0 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #543dff as the background.

Brands using this color

Fonts for this mood

#543dff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #543dff
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 #543dff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/543dff-a59cc4-dfaa4e-271f2d-e9ecf1?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