Color

#533b63

#533b63
hex#533b63
rgbrgb(83, 59, 99)
hslhsl(276, 25%, 31%)
oklchoklch(0.396 0.072 311)
Closest name: Long Passionate Night (#5b365e)Relative luminance 0.0587

Colors that go with #533b63

Blue, Copper and Crimson 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 →

#4b633b

#3f3b63 · #633b5f

#63533b · #3b6353

Split-complementary

Open in tool →

#5f633b · #3b633f

#633f3b · #4b633b · #3b5f63

Contrast

#533b63 as textRatioAAAA largeAAAFix
Aaon white
9.66:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #8b66a3 as the text (4.53:1)
  • AAA: use #a88cba as the text (7.13:1)
  • AA: or shift the background to #b3b3b3 (4.61:1)
  • AAA: or shift the background to #dedede (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #533b63 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 #533b63
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 #533b63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/533b63-b99cc4-bfcb62-2d1f2d-eae9f1?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