Color

#5409ce

#5409ce
hex#5409ce
rgbrgb(84, 9, 206)
hslhsl(263, 92%, 42%)
oklchoklch(0.435 0.247 286.4)
Closest name: Blurple (#5539cc)Relative luminance 0.0654

Colors that go with #5409ce

Charcoal, Royal 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 →

#82ce09

#0920ce · #b709ce

#ce5409 · #09ce54

Split-complementary

Open in tool →

#ceb709 · #20ce09

#ce0920 · #82ce09 · #09ceb7

Contrast

#5409ce as textRatioAAAA largeAAAFix
Aaon white
9.1:1passpasspassPasses AAA — no fix needed.
Aaon black
2.31:1failfailfail
  • AA: use #8f4ff8 as the text (4.64:1)
  • AAA: use #ae80fa as the text (7.27:1)
  • AA: or shift the background to #b8b8b8 (4.59:1)
  • AAA: or shift the background to #e3e3e3 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5409ce 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

#5409ce reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5409ce
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 #5409ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5409ce-b09cc4-dfd04e-2b1f2d-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