Color

#6f66ea

#6f66ea
hex#6f66ea
rgbrgb(111, 102, 234)
hslhsl(244, 76%, 66%)
oklchoklch(0.589 0.193 281.8)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.1882

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e1ea66

#66a0ea · #b166ea

#ea6f66 · #66ea6f

Split-complementary

Open in tool →

#eab166 · #a0ea66

#ea66a0 · #e1ea66 · #66eab1

Contrast

#6f66ea as textRatioAAAA largeAAAFix
Aaon white
4.41:1failpassfail
  • AA: use #6b62ea as the text (4.6:1)
  • AAA: use #453ae4 as the text (7.05:1)
  • AA: or shift the background to #080808 (4.54:1)
Aaon black
4.76:1passpassfail
  • AAA: use #918aef as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6f66ea as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#6f66ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6f66ea
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 #6f66ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6f66ea-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