Color

#8b91bb

#8b91bb
hex#8b91bb
rgbrgb(139, 145, 187)
hslhsl(233, 26%, 64%)
oklchoklch(0.667 0.063 278.2)
Closest name: Easter Egg (#8e97c7)Relative luminance 0.2933

Colors that go with #8b91bb

Charcoal, Amber and Copper 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.

Real palettes that use #8b91bb

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bbb58b

#8ba9bb · #9e8bbb

#bb8b91 · #91bb8b

Split-complementary

Open in tool →

#bb9e8b · #a9bb8b

#bb8ba9 · #bbb58b · #8bbb9e

Contrast

#8b91bb as textRatioAAAA largeAAAFix
Aaon white
3.06:1failpassfail
  • AA: use #6b72a8 as the text (4.57:1)
  • AAA: use #4d5484 as the text (7.2:1)
  • AA: or shift the background to #2b2b2b (4.63:1)
Aaon black
6.87:1passpassfail
  • AAA: use #8f94bd as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8b91bb as the background.

Brands using this color

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

mcpConnect your agent — build around #8b91bb
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 #8b91bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8b91bb-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