Color

#8151fb

#8151fb
hex#8151fb
rgbrgb(129, 81, 251)
hslhsl(257, 96%, 65%)
oklchoklch(0.585 0.238 290)
Closest name: Candy Grape Fizz (#7755ee)Relative luminance 0.1752

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cbfb50

#5075fb · #d650fb

#fb8150 · #50fb81

Split-complementary

Open in tool →

#fbd650 · #75fb50

#fb5075 · #cbfb50 · #50fbd6

Contrast

#8151fb as textRatioAAAA largeAAAFix
Aaon white
4.66:1passpassfail
  • AAA: use #5919fa as the text (7.13:1)
Aaon black
4.5:1passpassfail
  • AAA: use #a582fc as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8151fb 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

#8151fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8151fb
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 #8151fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8151fb-ac9cc4-dfc24e-291f2d-e9ebf1?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