Color

#6404be

#6404be
hex#6404be
rgbrgb(100, 4, 190)
hslhsl(271, 96%, 38%)
oklchoklch(0.434 0.234 296.5)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0651

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#5ebe04

#0704be · #be04bb

#be6404 · #04be64

Split-complementary

Open in tool →

#bbbe04 · #04be07

#be0704 · #5ebe04 · #04bbbe

Contrast

#6404be as textRatioAAAA largeAAAFix
Aaon white
9.12:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #9f3cfb as the text (4.51:1)
  • AAA: use #bc78fc as the text (7.23:1)
  • AA: or shift the background to #b8b8b8 (4.6:1)
  • AAA: or shift the background to #e3e3e3 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6404be 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

#6404be reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6404be
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #6404be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6404be-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