Color

#655bd7

#655bd7
hex#655bd7
rgbrgb(101, 91, 215)
hslhsl(245, 61%, 60%)
oklchoklch(0.548 0.184 282.1)
Closest name: slateblue (#6a5acd)Relative luminance 0.1516

Colors that go with #655bd7

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 →

#cdd75b

#5b8fd7 · #a35bd7

#d7655b · #5bd765

Split-complementary

Open in tool →

#d7a35b · #8fd75b

#d75b8f · #cdd75b · #5bd7a3

Contrast

#655bd7 as textRatioAAAA largeAAAFix
Aaon white
5.21:1passpassfail
  • AAA: use #4a3ed0 as the text (7.26:1)
Aaon black
4.03:1failpassfail
  • AA: use #7167da as the text (4.65:1)
  • AAA: use #938ce3 as the text (7.1:1)
  • AA: or shift the background to #f0f0f0 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #655bd7 as the background.

Brands using this color

Fonts for this mood

#655bd7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #655bd7
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 #655bd7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/655bd7-a49cc4-dfa54e-261f2d-e9ecf1?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