Color

#b315cb

#b315cb
hex#b315cb
rgbrgb(179, 21, 203)
hslhsl(292, 81%, 44%)
oklchoklch(0.559 0.257 321.4)
Closest name: Ferocious Fuchsia (#aa00cc)Relative luminance 0.1443

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2ecb15

#5815cb · #cb1588

#cbb315 · #15cbb3

Split-complementary

Open in tool →

#88cb15 · #15cb58

#cb5815 · #2ecb15 · #1588cb

Contrast

#b315cb as textRatioAAAA largeAAAFix
Aaon white
5.4:1passpassfail
  • AAA: use #9612ab as the text (7.07:1)
Aaon black
3.89:1failpassfail
  • AA: use #c718e2 as the text (4.66:1)
  • AAA: use #dc62ef as the text (7.04:1)
  • AA: or shift the background to #ebebeb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b315cb 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

#b315cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b315cb
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 #b315cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b315cb-c09fc1-a3cb62-2d1f29-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