Color

#b1acfc

#b1acfc
hex#b1acfc
rgbrgb(177, 172, 252)
hslhsl(244, 93%, 83%)
oklchoklch(0.779 0.113 286.3)
Closest name: Widowmaker (#99aaff)Relative luminance 0.4588

Colors that go with #b1acfc

Charcoal, Deep Sky Blue and Dark Khaki 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 →

#f7fcab

#abcefc · #d9abfc

#fcb1ab · #abfcb1

Split-complementary

Open in tool →

#fcd9ab · #cefcab

#fcabce · #f7fcab · #abfcd9

Contrast

#b1acfc as textRatioAAAA largeAAAFix
Aaon white
2.06:1failfailfail
  • AA: use #675df9 as the text (4.66:1)
  • AAA: use #3e30f8 as the text (7.04:1)
  • AA: or shift the background to #474747 (4.5:1)
  • AAA: or shift the background to #292929 (7.05:1)
Aaon black
10.18:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b1acfc as the background.

Brands using this color

Fonts for this mood

#b1acfc reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b1acfc
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 #b1acfc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b1acfc-a39cc4-dfa24e-261f2d-e9edf1?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