Color

#9f90bb

#9f90bb
hex#9f90bb
rgbrgb(159, 144, 187)
hslhsl(261, 24%, 65%)
oklchoklch(0.682 0.064 300.7)
Closest name: Wizard’s Brew (#a090b8)Relative luminance 0.3091

Colors that go with #9f90bb

Charcoal, Amber and Deep Sky Blue 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 #9f90bb

Tints & shades

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

Harmonies

Complementary

Open in tool →

#acbb90

#9097bb · #b590bb

#bb9f90 · #90bb9f

Split-complementary

Open in tool →

#bbb590 · #97bb90

#bb9097 · #acbb90 · #90bbb5

Contrast

#9f90bb as textRatioAAAA largeAAAFix
Aaon white
2.92:1failfailfail
  • AA: use #7f6aa4 as the text (4.67:1)
  • AAA: use #614f82 as the text (7.12:1)
  • AA: or shift the background to #303030 (4.51:1)
  • AAA: or shift the background to #030303 (7.05:1)
Aaon black
7.18:1passpasspassPasses 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 #9f90bb 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 #9f90bb
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 #9f90bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9f90bb-af9cc4-dfcb4e-2a1f2d-e9eaf1?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