Color

#b3b5ea

#b3b5ea
hex#b3b5ea
rgbrgb(179, 181, 234)
hslhsl(238, 57%, 81%)
oklchoklch(0.79 0.075 282.8)
Closest name: Purple Illusion (#b8b8f8)Relative luminance 0.4857

Colors that go with #b3b5ea

Charcoal, Dark Khaki and Amber 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 →

#eae8b3

#b3d0ea · #cdb3ea

#eab3b5 · #b5eab3

Split-complementary

Open in tool →

#eacdb3 · #d0eab3

#eab3d0 · #eae8b3 · #b3eacd

Contrast

#b3b5ea as textRatioAAAA largeAAAFix
Aaon white
1.96:1failfailfail
  • AA: use #676bd5 as the text (4.53:1)
  • AAA: use #3f43ca as the text (7.32:1)
  • AA: or shift the background to #4a4a4a (4.52:1)
  • AAA: or shift the background to #2b2b2b (7.22:1)
Aaon black
10.71:1passpasspassPasses 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 #b3b5ea as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#b3b5ea reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b3b5ea
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 #b3b5ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3b5ea-9f9cc4-df944e-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