Color

#b1bbfb

#b1bbfb
hex#b1bbfb
rgbrgb(177, 187, 251)
hslhsl(232, 90%, 84%)
oklchoklch(0.807 0.091 277.3)
Closest name: Purple Illusion (#b8b8f8)Relative luminance 0.5185

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbf1b1

#b1e0fb · #ccb1fb

#fbb1bb · #bbfbb1

Split-complementary

Open in tool →

#fbccb1 · #e0fbb1

#fbb1e0 · #fbf1b1 · #b1fbcc

Contrast

#b1bbfb as textRatioAAAA largeAAAFix
Aaon white
1.85:1failfailfail
  • AA: use #5167f6 as the text (4.54:1)
  • AAA: use #1b38f3 as the text (7.23:1)
  • AA: or shift the background to #4d4d4d (4.58:1)
  • AAA: or shift the background to #303030 (7.15:1)
Aaon black
11.37:1passpasspassPasses 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 #b1bbfb as the background.

Brands using this color

Fonts for this mood

#b1bbfb reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b1bbfb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #b1bbfb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b1bbfb-9c9dc4-df864e-231f2d-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