Color

#523b78

#523b78
hex#523b78
rgbrgb(82, 59, 120)
hslhsl(263, 34%, 35%)
oklchoklch(0.407 0.101 299.3)
Closest name: Galactic Compass (#48357b)Relative luminance 0.0628

Colors that go with #523b78

Blue, Crimson and Denim 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 →

#60783b

#3b4278 · #713b78

#78523b · #3b7852

Split-complementary

Open in tool →

#78713b · #42783b

#783b42 · #60783b · #3b7871

Contrast

#523b78 as textRatioAAAA largeAAAFix
Aaon white
9.31:1passpasspassPasses AAA — no fix needed.
Aaon black
2.26:1failfailfail
  • AA: use #8669b5 as the text (4.7:1)
  • AAA: use #a18bc6 as the text (7.02:1)
  • AA: or shift the background to #b5b5b5 (4.54:1)
  • AAA: or shift the background to #e0e0e0 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #523b78 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 #523b78
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 #523b78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/523b78-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