Color

#6447ae

#6447ae
hex#6447ae
rgbrgb(100, 71, 174)
hslhsl(257, 42%, 48%)
oklchoklch(0.484 0.157 292.5)
Closest name: rebeccapurple (#663399)Relative luminance 0.1027

Tints & shades

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

Harmonies

Complementary

Open in tool →

#91ae47

#475dae · #9847ae

#ae6447 · #47ae64

Split-complementary

Open in tool →

#ae9847 · #5dae47

#ae475d · #91ae47 · #47ae98

Contrast

#6447ae as textRatioAAAA largeAAAFix
Aaon white
6.88:1passpassfail
  • AAA: use #6246aa as the text (7.06:1)
Aaon black
3.05:1failpassfail
  • AA: use #8067c1 as the text (4.63:1)
  • AAA: use #9f8bd0 as the text (7.08:1)
  • AA: or shift the background to #d1d1d1 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6447ae 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

#6447ae reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6447ae
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 #6447ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6447ae-ac9cc4-dfc24e-291f2d-e9ebf1?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