Color

#523c58

#523c58
hex#523c58
rgbrgb(82, 60, 88)
hslhsl(287, 19%, 29%)
oklchoklch(0.392 0.054 318.9)
Closest name: Long Passionate Night (#5b365e)Relative luminance 0.0573

Colors that go with #523c58

Sea Green, Teal 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 →

#42583c

#443c58 · #583c50

#58523c · #3c5852

Split-complementary

Open in tool →

#50583c · #3c5844

#58443c · #42583c · #3c5058

Contrast

#523c58 as textRatioAAAA largeAAAFix
Aaon white
9.79:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #8d6798 as the text (4.53:1)
  • AAA: use #a98cb1 as the text (7.07:1)
  • AA: or shift the background to #b0b0b0 (4.51:1)
  • AAA: or shift the background to #dbdbdb (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #523c58 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

#523c58 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #523c58
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 #523c58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/523c58-bd9fc1-abcb62-2d1f2a-ece9f1?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