Color

#6166fa

#6166fa
hex#6166fa
rgbrgb(97, 102, 250)
hslhsl(238, 94%, 68%)
oklchoklch(0.591 0.216 276.1)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.1895

Colors that go with #6166fa

Charcoal, Sea Green and Amber 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 →

#faf561

#61b3fa · #a861fa

#fa6166 · #66fa61

Split-complementary

Open in tool →

#faa861 · #b3fa61

#fa61b3 · #faf561 · #61faa8

Contrast

#6166fa as textRatioAAAA largeAAAFix
Aaon white
4.38:1failpassfail
  • AA: use #5c61fa as the text (4.62:1)
  • AAA: use #2a31f8 as the text (7.26:1)
  • AA: or shift the background to #0a0a0a (4.52:1)
Aaon black
4.79:1passpassfail
  • AAA: use #888cfb as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6166fa as the background.

Brands using this color

Fonts for this mood

#6166fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6166fa
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 #6166fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6166fa-9f9cc4-df944e-251f2d-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