Color

#6f63ca

#6f63ca
hex#6f63ca
rgbrgb(111, 99, 202)
hslhsl(247, 49%, 59%)
oklchoklch(0.562 0.154 285.6)
Closest name: slateblue (#6a5acd)Relative luminance 0.1657

Colors that go with #6f63ca

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 →

#beca63

#638aca · #a263ca

#ca6f63 · #63ca6f

Split-complementary

Open in tool →

#caa263 · #8aca63

#ca638a · #beca63 · #63caa2

Contrast

#6f63ca as textRatioAAAA largeAAAFix
Aaon white
4.87:1passpassfail
  • AAA: use #5345bf as the text (7.07:1)
Aaon black
4.31:1failpassfail
  • AA: use #7367cb as the text (4.53:1)
  • AAA: use #968dd8 as the text (7.1:1)
  • AA: or shift the background to #f7f7f7 (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 #6f63ca as the background.

Brands using this color

Fonts for this mood

#6f63ca reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6f63ca
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 #6f63ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6f63ca-a59cc4-dfaa4e-271f2d-e9ecf1?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