Color

#655ec9

#655ec9
hex#655ec9
rgbrgb(101, 94, 201)
hslhsl(244, 50%, 58%)
oklchoklch(0.544 0.161 282.6)
Closest name: slateblue (#6a5acd)Relative luminance 0.1499

Colors that go with #655ec9

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 →

#c2c95e

#5e8dc9 · #9b5ec9

#c9655e · #5ec965

Split-complementary

Open in tool →

#c99b5e · #8dc95e

#c95e8d · #c2c95e · #5ec99b

Contrast

#655ec9 as textRatioAAAA largeAAAFix
Aaon white
5.25:1passpassfail
  • AAA: use #4c44c1 as the text (7.23:1)
Aaon black
4:1failpassfail
  • AA: use #706acd as the text (4.63:1)
  • AAA: use #9590da as the text (7.28:1)
  • AA: or shift the background to #f0f0f0 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #655ec9 as the background.

Brands using this color

Fonts for this mood

#655ec9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #655ec9
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 #655ec9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/655ec9-a39cc4-dfa24e-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