Color

#6648ad

#6648ad
hex#6648ad
rgbrgb(102, 72, 173)
hslhsl(258, 41%, 48%)
oklchoklch(0.487 0.155 293.5)
Closest name: rebeccapurple (#663399)Relative luminance 0.1048

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8ead48

#485cad · #9948ad

#ad6648 · #48ad66

Split-complementary

Open in tool →

#ad9948 · #5cad48

#ad485c · #8ead48 · #48ad99

Contrast

#6648ad as textRatioAAAA largeAAAFix
Aaon white
6.78:1passpassfail
  • AAA: use #6245a5 as the text (7.21:1)
Aaon black
3.1:1failpassfail
  • AA: use #8268c0 as the text (4.69:1)
  • AAA: use #a08ccf as the text (7.15:1)
  • AA: or shift the background to #d4d4d4 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6648ad 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

#6648ad reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6648ad
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 #6648ad and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6648ad-ad9cc4-dfc44e-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