Color

#b307ca

#b307ca
hex#b307ca
rgbrgb(179, 7, 202)
hslhsl(293, 93%, 41%)
oklchoklch(0.555 0.261 321.9)
Closest name: Ferocious Fuchsia (#aa00cc)Relative luminance 0.14

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1eca07

#5207ca · #ca077f

#cab307 · #07cab3

Split-complementary

Open in tool →

#7fca07 · #07ca52

#ca5207 · #1eca07 · #077fca

Contrast

#b307ca as textRatioAAAA largeAAAFix
Aaon white
5.53:1passpassfail
  • AAA: use #9906ac as the text (7.06:1)
Aaon black
3.8:1failpassfail
  • AA: use #c908e2 as the text (4.62:1)
  • AAA: use #e658f9 as the text (7.13:1)
  • AA: or shift the background to #e8e8e8 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b307ca 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

#b307ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b307ca
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 #b307ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b307ca-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