Color

Blurple

#5539cc
hex#5539cc
rgbrgb(85, 57, 204)
hslhsl(251, 59%, 51%)
oklchoklch(0.474 0.213 283.4)
Relative luminance 0.0922

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b1cc38

#3867cc · #9d38cc

#cc5338 · #38cc53

Split-complementary

Open in tool →

#cc9d38 · #67cc38

#cc3867 · #b1cc38 · #38cc9d

Contrast

Blurple as textRatioAAAA largeAAAFix
Aaon white
7.39:1passpasspassPasses AAA — no fix needed.
Aaon black
2.84:1failfailfail
  • AA: use #7a65d7 as the text (4.67:1)
  • AAA: use #9989e1 as the text (7.02:1)
  • AA: or shift the background to #cccccc (4.6:1)
  • AAA: or shift the background to #fafafa (7.08:1)

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

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

mcpConnect your agent — build around Blurple
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 #5539cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5539cc-a89cc4-dfb34e-281f2d-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