Color

#b5b5fc

#b5b5fc
hex#b5b5fc
rgbrgb(181, 181, 252)
hslhsl(240, 92%, 85%)
oklchoklch(0.799 0.1 283.9)
Closest name: Purple Illusion (#b8b8f8)Relative luminance 0.499

Colors that go with #b5b5fc

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 →

#fcfcb6

#b6d9fc · #d9b6fc

#fcb6b6 · #b6fcb6

Split-complementary

Open in tool →

#fcd9b6 · #d9fcb6

#fcb6d9 · #fcfcb6 · #b6fcd9

Contrast

#b5b5fc as textRatioAAAA largeAAAFix
Aaon white
1.91:1failfailfail
  • AA: use #6262f8 as the text (4.54:1)
  • AAA: use #3131f6 as the text (7.24:1)
  • AA: or shift the background to #4a4a4a (4.63:1)
  • AAA: or shift the background to #2e2e2e (7.1:1)
Aaon black
10.98:1passpasspassPasses 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 #b5b5fc as the background.

Brands using this color

Fonts for this mood

#b5b5fc reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b5b5fc
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 #b5b5fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5b5fc-a19cc4-df994e-251f2d-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