Color

#cb39ef

#cb39ef
hex#cb39ef
rgbrgb(203, 57, 239)
hslhsl(288, 85%, 58%)
oklchoklch(0.637 0.267 318.6)
Closest name: Flamingo Queen (#cc33ff)Relative luminance 0.2185

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5def39

#6f39ef · #ef39b8

#efcb39 · #39efcb

Split-complementary

Open in tool →

#b8ef39 · #39ef6f

#ef6f39 · #5def39 · #39b8ef

Contrast

#cb39ef as textRatioAAAA largeAAAFix
Aaon white
3.91:1failpassfail
  • AA: use #c218ec as the text (4.53:1)
  • AAA: use #920fb3 as the text (7.14:1)
  • AA: or shift the background to #171717 (4.59:1)
Aaon black
5.37:1passpassfail
  • AAA: use #d768f3 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cb39ef 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

#cb39ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb39ef
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 #cb39ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb39ef-be9fc1-aacb62-2d1f2a-ece9f1?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