Color

#6327d3

#6327d3
hex#6327d3
rgbrgb(99, 39, 211)
hslhsl(261, 69%, 49%)
oklchoklch(0.474 0.236 289.9)
Closest name: Blurple (#5539cc)Relative luminance 0.0881

Colors that go with #6327d3

Royal Blue, Charcoal 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 →

#97d327

#2741d3 · #b927d3

#d36327 · #27d363

Split-complementary

Open in tool →

#d3b927 · #41d327

#d32741 · #97d327 · #27d3b9

Contrast

#6327d3 as textRatioAAAA largeAAAFix
Aaon white
7.6:1passpasspassPasses AAA — no fix needed.
Aaon black
2.76:1failfailfail
  • AA: use #8a5be1 as the text (4.66:1)
  • AAA: use #a986e9 as the text (7.27:1)
  • AA: or shift the background to #c9c9c9 (4.59:1)
  • AAA: or shift the background to #f7f7f7 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6327d3 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

#6327d3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6327d3
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 #6327d3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6327d3-af9cc4-dfcb4e-2a1f2d-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