Color

#654eca

#654eca
hex#654eca
rgbrgb(101, 78, 202)
hslhsl(251, 54%, 55%)
oklchoklch(0.517 0.184 286.6)
Closest name: slateblue (#6a5acd)Relative luminance 0.1248

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b3ca4e

#4e76ca · #a34eca

#ca654e · #4eca65

Split-complementary

Open in tool →

#caa34e · #76ca4e

#ca4e76 · #b3ca4e · #4ecaa3

Contrast

#654eca as textRatioAAAA largeAAAFix
Aaon white
6.01:1passpassfail
  • AAA: use #573fc6 as the text (7.16:1)
Aaon black
3.5:1failpassfail
  • AA: use #7a66d1 as the text (4.65:1)
  • AAA: use #9c8ddd as the text (7.27:1)
  • AA: or shift the background to #e0e0e0 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #654eca as the background.

Brands using this color

Fonts for this mood

#654eca reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #654eca
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #654eca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/654eca-a89cc4-dfb34e-281f2d-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