Color

#b310ea

#b310ea
hex#b310ea
rgbrgb(179, 16, 234)
hslhsl(285, 87%, 49%)
oklchoklch(0.58 0.281 313.9)
Closest name: Ferocious Fuchsia (#aa00cc)Relative luminance 0.1589

Tints & shades

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

Harmonies

Complementary

Open in tool →

#47ea10

#4710ea · #ea10b3

#eab310 · #10eab3

Split-complementary

Open in tool →

#b3ea10 · #10ea47

#ea4710 · #47ea10 · #10b3ea

Contrast

#b310ea as textRatioAAAA largeAAAFix
Aaon white
5.03:1passpassfail
  • AAA: use #8f0dba as the text (7.16:1)
Aaon black
4.18:1failpassfail
  • AA: use #bb1fef as the text (4.56:1)
  • AAA: use #d26bf5 as the text (7.16:1)
  • AA: or shift the background to #f5f5f5 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b310ea 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

#b310ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b310ea
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 #b310ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b310ea-bc9fc1-afcb62-2d1f2b-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