Color

#6b4bd2

#6b4bd2
hex#6b4bd2
rgbrgb(107, 75, 210)
hslhsl(254, 60%, 56%)
oklchoklch(0.524 0.197 288.6)
Closest name: slateblue (#6a5acd)Relative luminance 0.1281

Colors that go with #6b4bd2

Charcoal, Sea Green and Amber 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 →

#b3d24b

#4b6fd2 · #ae4bd2

#d26b4b · #4bd26b

Split-complementary

Open in tool →

#d2ae4b · #6fd24b

#d24b6f · #b3d24b · #4bd2ae

Contrast

#6b4bd2 as textRatioAAAA largeAAAFix
Aaon white
5.9:1passpassfail
  • AAA: use #5d3bce as the text (7.04:1)
Aaon black
3.56:1failpassfail
  • AA: use #7c60d7 as the text (4.51:1)
  • AAA: use #9d89e1 as the text (7.1:1)
  • AA: or shift the background to #e3e3e3 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6b4bd2 as the background.

Brands using this color

Fonts for this mood

#6b4bd2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6b4bd2
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 #6b4bd2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b4bd2-aa9cc4-dfbb4e-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