Color

#6165cc

#6165cc
hex#6165cc
rgbrgb(97, 101, 204)
hslhsl(238, 51%, 59%)
oklchoklch(0.556 0.156 278.3)
Closest name: slateblue (#6a5acd)Relative luminance 0.1621

Colors that go with #6165cc

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 →

#ccc861

#619acc · #9361cc

#cc6165 · #65cc61

Split-complementary

Open in tool →

#cc9361 · #9acc61

#cc619a · #ccc861 · #61cc93

Contrast

#6165cc as textRatioAAAA largeAAAFix
Aaon white
4.95:1passpassfail
  • AAA: use #4247c2 as the text (7.21:1)
Aaon black
4.24:1failpassfail
  • AA: use #696cce as the text (4.64:1)
  • AAA: use #8f92db as the text (7.3:1)
  • AA: or shift the background to #f5f5f5 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6165cc as the background.

Brands using this color

Fonts for this mood

#6165cc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6165cc
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 #6165cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6165cc-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