Color

#8151f0

#8151f0
hex#8151f0
rgbrgb(129, 81, 240)
hslhsl(258, 84%, 63%)
oklchoklch(0.576 0.225 291.6)
Closest name: Candy Grape Fizz (#7755ee)Relative luminance 0.1684

Colors that go with #8151f0

Midnight Blue, Taupe and Olive Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c0f051

#5171f0 · #d051f0

#f08151 · #51f081

Split-complementary

Open in tool →

#f0d051 · #71f051

#f05171 · #c0f051 · #51f0d0

Contrast

#8151f0 as textRatioAAAA largeAAAFix
Aaon white
4.81:1passpassfail
  • AAA: use #5f22ec as the text (7.18:1)
Aaon black
4.37:1failpassfail
  • AA: use #8456f0 as the text (4.57:1)
  • AAA: use #a685f4 as the text (7.28:1)
  • AA: or shift the background to #fafafa (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 #8151f0 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

#8151f0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8151f0
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #8151f0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8151f0-ad9cc4-dfc44e-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