Color

#6410b2

#6410b2
hex#6410b2
rgbrgb(100, 16, 178)
hslhsl(271, 84%, 38%)
oklchoklch(0.427 0.219 299)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0629

Colors that go with #6410b2

Olive Green, Charcoal and Tomato 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 →

#5eb210

#1210b2 · #b210b0

#b26410 · #10b264

Split-complementary

Open in tool →

#b0b210 · #10b212

#b21210 · #5eb210 · #10b0b2

Contrast

#6410b2 as textRatioAAAA largeAAAFix
Aaon white
9.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.26:1failfailfail
  • AA: use #9e48ef as the text (4.63:1)
  • AAA: use #ba7cf4 as the text (7.28:1)
  • AA: or shift the background to #b5b5b5 (4.53:1)
  • AAA: or shift the background to #e0e0e0 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6410b2 as the background.

Brands using this color

Fonts for this mood

#6410b2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6410b2
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 #6410b2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6410b2-b59cc4-c7cb62-2c1f2d-eae9f1?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