Color

#523187

#523187
hex#523187
rgbrgb(82, 49, 135)
hslhsl(263, 47%, 36%)
oklchoklch(0.401 0.138 297.5)
Closest name: Galactic Compass (#48357b)Relative luminance 0.0574

Colors that go with #523187

Charcoal, Royal Blue and 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#668731

#313b87 · #7d3187

#875231 · #318752

Split-complementary

Open in tool →

#877d31 · #3b8731

#87313b · #668731 · #31877d

Contrast

#523187 as textRatioAAAA largeAAAFix
Aaon white
9.78:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #8862c6 as the text (4.61:1)
  • AAA: use #a78bd5 as the text (7.3:1)
  • AA: or shift the background to #b0b0b0 (4.51:1)
  • AAA: or shift the background to #dbdbdb (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #523187 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

#523187 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #523187
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 #523187 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/523187-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