Color

#6449ab

#6449ab
hex#6449ab
rgbrgb(100, 73, 171)
hslhsl(257, 40%, 48%)
oklchoklch(0.485 0.15 292.6)
Closest name: Passion Flower (#6f5698)Relative luminance 0.1041

Colors that go with #6449ab

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 →

#90ab49

#495fab · #9649ab

#ab6549 · #49ab65

Split-complementary

Open in tool →

#ab9649 · #5fab49

#ab495f · #90ab49 · #49ab96

Contrast

#6449ab as textRatioAAAA largeAAAFix
Aaon white
6.81:1passpassfail
  • AAA: use #6146a4 as the text (7.19:1)
Aaon black
3.08:1failpassfail
  • AA: use #8169bf as the text (4.71:1)
  • AAA: use #9f8dce as the text (7.18:1)
  • AA: or shift the background to #d4d4d4 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6449ab 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

#6449ab reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6449ab
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 #6449ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6449ab-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