Color

#633155

#633155
hex#633155
rgbrgb(99, 49, 85)
hslhsl(317, 34%, 29%)
oklchoklch(0.392 0.087 338.8)
Closest name: Long Passionate Night (#5b365e)Relative luminance 0.0551

Colors that go with #633155

Teal, Crimson and Denim 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.

Real palettes that use #633155

Tints & shades

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

Harmonies

Complementary

Open in tool →

#31633f

#583163 · #63313c

#556331 · #315563

Split-complementary

Open in tool →

#3c6331 · #316358

#635831 · #31633f · #313c63

Contrast

#633155 as textRatioAAAA largeAAAFix
Aaon white
10:1passpasspassPasses AAA — no fix needed.
Aaon black
2.1:1failfailfail
  • AA: use #ad5894 as the text (4.6:1)
  • AAA: use #c181af as the text (7.03:1)
  • AA: or shift the background to #b0b0b0 (4.61:1)
  • AAA: or shift the background to #d9d9d9 (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 #633155 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

#633155 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #633155
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 #633155 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/633155-c19fb3-77cb62-2d1f23-efe9f1?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