Color

#6c81ea

#6c81ea
hex#6c81ea
rgbrgb(108, 129, 234)
hslhsl(230, 75%, 67%)
oklchoklch(0.637 0.158 272.6)
Closest name: Pan Purple (#657aef)Relative luminance 0.2483

Colors that go with #6c81ea

Medium Sea Green, Orange Red and Deep Sky 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.

Real palettes that use #6c81ea

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ead56c

#6cc0ea · #966cea

#ea6c81 · #81ea6c

Split-complementary

Open in tool →

#ea966c · #c0ea6c

#ea6cc0 · #ead56c · #6cea96

Contrast

#6c81ea as textRatioAAAA largeAAAFix
Aaon white
3.52:1failpassfail
  • AA: use #516ae6 as the text (4.61:1)
  • AAA: use #2444e0 as the text (7.05:1)
  • AA: or shift the background to #212121 (4.57:1)
Aaon black
5.97:1passpassfail
  • AAA: use #7e90ed as the text (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 #6c81ea 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

#6c81ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6c81ea
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 #6c81ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6c81ea-9c9ec4-df814e-231f2d-e9eef1?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