Color

#a31cd4

#a31cd4
hex#a31cd4
rgbrgb(163, 28, 212)
hslhsl(284, 77%, 47%)
oklchoklch(0.546 0.255 313.9)
Closest name: Ferocious Fuchsia (#aa00cc)Relative luminance 0.1337

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4dd41c

#471cd4 · #d41ca9

#d4a31c · #1cd4a3

Split-complementary

Open in tool →

#a9d41c · #1cd447

#d4471c · #4dd41c · #1ca9d4

Contrast

#a31cd4 as textRatioAAAA largeAAAFix
Aaon white
5.72:1passpassfail
  • AAA: use #8e18b9 as the text (7.04:1)
Aaon black
3.67:1failpassfail
  • AA: use #b534e5 as the text (4.59:1)
  • AAA: use #cb6fec as the text (7.02:1)
  • AA: or shift the background to #e6e6e6 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a31cd4 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

#a31cd4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a31cd4
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 #a31cd4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a31cd4-bc9fc1-b1cb62-2d1f2b-ebe9f1?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