Color

#837599

#837599
hex#837599
rgbrgb(131, 117, 153)
hslhsl(263, 15%, 53%)
oklchoklch(0.588 0.056 302.5)
Closest name: Aster (#867ba9)Relative luminance 0.1985

Colors that go with #837599

Charcoal, Copper and Sea Green 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 →

#8b9975

#757999 · #957599

#998375 · #759983

Split-complementary

Open in tool →

#999575 · #799975

#997579 · #8b9975 · #759995

Contrast

#837599 as textRatioAAAA largeAAAFix
Aaon white
4.23:1failpassfail
  • AA: use #7e6f95 as the text (4.57:1)
  • AAA: use #5e526f as the text (7.21:1)
  • AA: or shift the background to #0f0f0f (4.54:1)
Aaon black
4.97:1passpassfail
  • AAA: use #9d92af as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #837599 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 #837599
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 #837599 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/837599-b09cc4-dfd04e-2b1f2d-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