Color

#655dbb

#655dbb
hex#655dbb
rgbrgb(101, 93, 187)
hslhsl(245, 41%, 55%)
oklchoklch(0.533 0.143 284.3)
Closest name: slateblue (#6a5acd)Relative luminance 0.1418

Colors that go with #655dbb

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 →

#b3bb5d

#5d84bb · #945dbb

#bb655d · #5dbb65

Split-complementary

Open in tool →

#bb945d · #84bb5d

#bb5d84 · #b3bb5d · #5dbb94

Contrast

#655dbb as textRatioAAAA largeAAAFix
Aaon white
5.47:1passpassfail
  • AAA: use #524ab0 as the text (7.08:1)
Aaon black
3.84:1failpassfail
  • AA: use #736cc1 as the text (4.64:1)
  • AAA: use #9590d0 as the text (7.18:1)
  • AA: or shift the background to #ebebeb (4.59:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/655dbb-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