Color

#b5b3fa

#b5b3fa
hex#b5b3fa
rgbrgb(181, 179, 250)
hslhsl(242, 88%, 84%)
oklchoklch(0.794 0.1 285.2)
Closest name: Purple Illusion (#b8b8f8)Relative luminance 0.4897

Colors that go with #b5b3fa

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 →

#f8fab2

#b2d4fa · #d9b2fa

#fab5b2 · #b2fab5

Split-complementary

Open in tool →

#fad9b2 · #d4fab2

#fab2d4 · #f8fab2 · #b2fad9

Contrast

#b5b3fa as textRatioAAAA largeAAAFix
Aaon white
1.95:1failfailfail
  • AA: use #6661f5 as the text (4.57:1)
  • AAA: use #3731f2 as the text (7.28:1)
  • AA: or shift the background to #4a4a4a (4.55:1)
  • AAA: or shift the background to #2b2b2b (7.28:1)
Aaon black
10.79:1passpasspassPasses 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 #b5b3fa 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

#b5b3fa reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b5b3fa
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 #b5b3fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5b3fa-a29cc4-df9e4e-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