Color

#6504cd

#6504cd
hex#6504cd
rgbrgb(101, 4, 205)
hslhsl(269, 96%, 41%)
oklchoklch(0.451 0.247 293.6)
Closest name: Blurple (#5539cc)Relative luminance 0.0726

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6ccd04

#0408cd · #ca04cd

#cd6504 · #04cd65

Split-complementary

Open in tool →

#cdca04 · #08cd04

#cd0408 · #6ccd04 · #04cdca

Contrast

#6504cd as textRatioAAAA largeAAAFix
Aaon white
8.56:1passpasspassPasses AAA — no fix needed.
Aaon black
2.45:1failfailfail
  • AA: use #9b41fb as the text (4.54:1)
  • AAA: use #b878fc as the text (7.13:1)
  • AA: or shift the background to #bdbdbd (4.56:1)
  • AAA: or shift the background to #ebebeb (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6504cd 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

#6504cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6504cd
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 #6504cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6504cd-b49cc4-cbcb62-2c1f2d-e9e9f1?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