Color

#655dd5

#655dd5
hex#655dd5
rgbrgb(101, 93, 213)
hslhsl(244, 59%, 60%)
oklchoklch(0.55 0.178 281.8)
Closest name: slateblue (#6a5acd)Relative luminance 0.154

Colors that go with #655dd5

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 →

#cdd55d

#5d91d5 · #a15dd5

#d5655d · #5dd565

Split-complementary

Open in tool →

#d5a15d · #91d55d

#d55d91 · #cdd55d · #5dd5a1

Contrast

#655dd5 as textRatioAAAA largeAAAFix
Aaon white
5.15:1passpassfail
  • AAA: use #4a40ce as the text (7.2:1)
Aaon black
4.08:1failpassfail
  • AA: use #7069d8 as the text (4.7:1)
  • AAA: use #938de2 as the text (7.15:1)
  • AA: or shift the background to #f0f0f0 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #655dd5 as the background.

Brands using this color

Fonts for this mood

#655dd5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #655dd5
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 #655dd5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/655dd5-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