Color

#e51fff

#e51fff
hex#e51fff
rgbrgb(229, 31, 255)
hslhsl(293, 100%, 56%)
oklchoklch(0.67 0.305 322.3)
Closest name: Epink (#dd33ff)Relative luminance 0.2486

Tints & shades

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

Harmonies

Complementary

Open in tool →

#39ff1f

#751fff · #ff1fa9

#ffe51f · #1fffe5

Split-complementary

Open in tool →

#a9ff1f · #1fff75

#ff751f · #39ff1f · #1fa9ff

Contrast

#e51fff as textRatioAAAA largeAAAFix
Aaon white
3.52:1failpassfail
  • AA: use #c600e0 as the text (4.69:1)
  • AAA: use #9900ad as the text (7.1:1)
  • AA: or shift the background to #212121 (4.58:1)
Aaon black
5.97:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e51fff 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

#e51fff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e51fff
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 #e51fff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e51fff-c19fc1-a1cb62-2d1f29-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