Color

#6446aa

#6446aa
hex#6446aa
rgbrgb(100, 70, 170)
hslhsl(258, 42%, 47%)
oklchoklch(0.479 0.154 293.6)
Closest name: rebeccapurple (#663399)Relative luminance 0.0999

Colors that go with #6446aa

Charcoal, Royal Blue and Sea Green 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 →

#8caa46

#465aaa · #9646aa

#aa6446 · #46aa64

Split-complementary

Open in tool →

#aa9646 · #5aaa46

#aa465a · #8caa46 · #46aa96

Contrast

#6446aa as textRatioAAAA largeAAAFix
Aaon white
7:1passpasspassPasses AAA — no fix needed.
Aaon black
3:1failfailfail
  • AA: use #8267c1 as the text (4.66:1)
  • AAA: use #a08bd0 as the text (7.1:1)
  • AA: or shift the background to #d1d1d1 (4.59:1)
  • AAA: or shift the background to #ffffff (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6446aa 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

#6446aa reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6446aa
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 #6446aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6446aa-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