Color

#e51bf3

#e51bf3
hex#e51bf3
rgbrgb(229, 27, 243)
hslhsl(296, 90%, 53%)
oklchoklch(0.661 0.299 325)
Closest name: Epink (#dd33ff)Relative luminance 0.2391

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2af31b

#791bf3 · #f31b96

#f3e51b · #1bf3e5

Split-complementary

Open in tool →

#96f31b · #1bf379

#f3791b · #2af31b · #1b96f3

Contrast

#e51bf3 as textRatioAAAA largeAAAFix
Aaon white
3.63:1failpassfail
  • AA: use #cc0bda as the text (4.54:1)
  • AAA: use #9a09a5 as the text (7.1:1)
  • AA: or shift the background to #1f1f1f (4.54:1)
Aaon black
5.78:1passpassfail
  • AAA: use #eb51f6 as the text (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 #e51bf3 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

#e51bf3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e51bf3
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 #e51bf3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e51bf3-c19fbf-9ccb62-2d1f28-ede9f1?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