Color

#6e66ff

#6e66ff
hex#6e66ff
rgbrgb(110, 102, 255)
hslhsl(243, 100%, 70%)
oklchoklch(0.604 0.22 279.9)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.2004

Colors that go with #6e66ff

Amber, Blue 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 →

#f7ff66

#66abff · #ba66ff

#ff6e66 · #66ff6e

Split-complementary

Open in tool →

#ffba66 · #abff66

#ff66ab · #f7ff66 · #66ffba

Contrast

#6e66ff as textRatioAAAA largeAAAFix
Aaon white
4.19:1failpassfail
  • AA: use #645cff as the text (4.65:1)
  • AAA: use #3429ff as the text (7.22:1)
  • AA: or shift the background to #0f0f0f (4.57:1)
Aaon black
5.01:1passpassfail
  • AAA: use #908aff as the text (7.27:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6e66ff as the background.

Brands using this color

Fonts for this mood

#6e66ff reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6e66ff
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 #6e66ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6e66ff-a39cc4-dfa04e-261f2d-e9edf1?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