Color

#523e89

#523e89
hex#523e89
rgbrgb(82, 62, 137)
hslhsl(256, 38%, 39%)
oklchoklch(0.424 0.12 292.8)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0705

Colors that go with #523e89

Charcoal, Steel 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 →

#75893e

#3e4f89 · #783e89

#89523e · #3e8952

Split-complementary

Open in tool →

#89783e · #4f893e

#893e4f · #75893e · #3e8978

Contrast

#523e89 as textRatioAAAA largeAAAFix
Aaon white
8.72:1passpasspassPasses AAA — no fix needed.
Aaon black
2.41:1failfailfail
  • AA: use #7e68bb as the text (4.58:1)
  • AAA: use #9f8ecc as the text (7.22:1)
  • AA: or shift the background to #bdbdbd (4.64:1)
  • AAA: or shift the background to #e8e8e8 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #523e89 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

#523e89 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #523e89
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 #523e89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/523e89-ab9cc4-dfbf4e-291f2d-e9ebf1?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