Color

#523a78

#523a78
hex#523a78
rgbrgb(82, 58, 120)
hslhsl(263, 35%, 35%)
oklchoklch(0.406 0.103 299.7)
Closest name: Galactic Compass (#48357b)Relative luminance 0.0618

Colors that go with #523a78

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 →

#61783a

#3a4178 · #713a78

#78523a · #3a7852

Split-complementary

Open in tool →

#78713a · #41783a

#783a41 · #61783a · #3a7871

Contrast

#523a78 as textRatioAAAA largeAAAFix
Aaon white
9.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.24:1failfailfail
  • AA: use #8668b6 as the text (4.67:1)
  • AAA: use #a48dc8 as the text (7.22:1)
  • AA: or shift the background to #b5b5b5 (4.58:1)
  • AAA: or shift the background to #e0e0e0 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #523a78 as the background.

Brands using this color

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

Fonts for this mood

#523a78 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #523a78
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 #523a78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/523a78-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