Color

#b4bbf3

#b4bbf3
hex#b4bbf3
rgbrgb(180, 187, 243)
hslhsl(233, 72%, 83%)
oklchoklch(0.806 0.079 278.9)
Closest name: Purple Illusion (#b8b8f8)Relative luminance 0.5172

Colors that go with #b4bbf3

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 →

#f3ecb4

#b4dbf3 · #ccb4f3

#f3b4bc · #bcf3b4

Split-complementary

Open in tool →

#f3ccb4 · #dbf3b4

#f3b4db · #f3ecb4 · #b4f3cc

Contrast

#b4bbf3 as textRatioAAAA largeAAAFix
Aaon white
1.85:1failfailfail
  • AA: use #5869e4 as the text (4.61:1)
  • AAA: use #2c41dd as the text (7.22:1)
  • AA: or shift the background to #4d4d4d (4.57:1)
  • AAA: or shift the background to #303030 (7.13:1)
Aaon black
11.34:1passpasspassPasses 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 #b4bbf3 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

#b4bbf3 reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b4bbf3
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 #b4bbf3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b4bbf3-9c9cc4-df884e-241f2d-e9eef1?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