Color

#655ec5

#655ec5
hex#655ec5
rgbrgb(101, 94, 197)
hslhsl(244, 47%, 57%)
oklchoklch(0.541 0.155 283)
Closest name: slateblue (#6a5acd)Relative luminance 0.148

Colors that go with #655ec5

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 →

#bec55e

#5e8ac5 · #985ec5

#c5655e · #5ec565

Split-complementary

Open in tool →

#c5985e · #8ac55e

#c55e8a · #bec55e · #5ec598

Contrast

#655ec5 as textRatioAAAA largeAAAFix
Aaon white
5.3:1passpassfail
  • AAA: use #4f47bd as the text (7.07:1)
Aaon black
3.96:1failpassfail
  • AA: use #6f69c9 as the text (4.54:1)
  • AAA: use #938fd6 as the text (7.14:1)
  • AA: or shift the background to #ededed (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #655ec5 as the background.

Brands using this color

Fonts for this mood

#655ec5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #655ec5
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 #655ec5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/655ec5-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