Color

#6646be

#6646be
hex#6646be
rgbrgb(102, 70, 190)
hslhsl(256, 48%, 51%)
oklchoklch(0.496 0.179 290.7)
Closest name: Blurple (#5539cc)Relative luminance 0.1092

Colors that go with #6646be

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 →

#9ebe46

#4662be · #a246be

#be6646 · #46be66

Split-complementary

Open in tool →

#bea246 · #62be46

#be4662 · #9ebe46 · #46bea2

Contrast

#6646be as textRatioAAAA largeAAAFix
Aaon white
6.59:1passpassfail
  • AAA: use #6141b9 as the text (7.08:1)
Aaon black
3.18:1failpassfail
  • AA: use #7f64c9 as the text (4.57:1)
  • AAA: use #9e8ad6 as the text (7.06:1)
  • AA: or shift the background to #d6d6d6 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6646be 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

#6646be reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6646be
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 #6646be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6646be-ab9cc4-dfbf4e-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