Color

#6546ce

#6546ce
hex#6546ce
rgbrgb(101, 70, 206)
hslhsl(254, 58%, 54%)
oklchoklch(0.508 0.199 287.6)
Closest name: Blurple (#5539cc)Relative luminance 0.116

Colors that go with #6546ce

Charcoal, Denim 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 →

#aece46

#466ace · #a946ce

#ce6546 · #46ce65

Split-complementary

Open in tool →

#cea946 · #6ace46

#ce466a · #aece46 · #46cea9

Contrast

#6546ce as textRatioAAAA largeAAAFix
Aaon white
6.32:1passpassfail
  • AAA: use #5b3acb as the text (7.21:1)
Aaon black
3.32:1failpassfail
  • AA: use #7d62d5 as the text (4.58:1)
  • AAA: use #9e8ae0 as the text (7.17:1)
  • AA: or shift the background to #dbdbdb (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6546ce as the background.

Brands using this color

Fonts for this mood

#6546ce reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6546ce
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 #6546ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6546ce-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