Color

#6450fb

#6450fb
hex#6450fb
rgbrgb(100, 80, 251)
hslhsl(247, 96%, 65%)
oklchoklch(0.559 0.242 280.5)
Closest name: Candy Grape Fizz (#7755ee)Relative luminance 0.1541

Colors that go with #6450fb

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 →

#e7fb50

#5092fb · #ba50fb

#fb6450 · #50fb64

Split-complementary

Open in tool →

#fbba50 · #92fb50

#fb5092 · #e7fb50 · #50fbba

Contrast

#6450fb as textRatioAAAA largeAAAFix
Aaon white
5.14:1passpassfail
  • AAA: use #4128fb as the text (7.19:1)
Aaon black
4.08:1failpassfail
  • AA: use #6d5afc as the text (4.52:1)
  • AAA: use #9587fd as the text (7.16:1)
  • AA: or shift the background to #f0f0f0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6450fb as the background.

Brands using this color

Fonts for this mood

#6450fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6450fb
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 #6450fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6450fb-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