Color

#563a73

#563a73
hex#563a73
rgbrgb(86, 58, 115)
hslhsl(269, 33%, 34%)
oklchoklch(0.407 0.097 305.2)
Closest name: Heartless (#623b70)Relative luminance 0.0624

Colors that go with #563a73

Crimson, Denim and Midnight 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 →

#58733a

#3a3b73 · #723a73

#73563a · #3a7356

Split-complementary

Open in tool →

#73723a · #3b733a

#733a3b · #58733a · #3a7372

Contrast

#563a73 as textRatioAAAA largeAAAFix
Aaon white
9.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #8b66b2 as the text (4.64:1)
  • AAA: use #a78cc5 as the text (7.2:1)
  • AA: or shift the background to #b5b5b5 (4.55:1)
  • AAA: or shift the background to #e0e0e0 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #563a73 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 #563a73
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 #563a73 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/563a73-b49cc4-cbcb62-2c1f2d-e9e9f1?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