Color

#635591

#635591
hex#635591
rgbrgb(99, 85, 145)
hslhsl(254, 26%, 45%)
oklchoklch(0.49 0.095 293.3)
Closest name: Passion Flower (#6f5698)Relative luminance 0.1119

Colors that go with #635591

Charcoal, Sea Green and Amber 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 →

#839155

#556591 · #815591

#916355 · #559163

Split-complementary

Open in tool →

#918155 · #659155

#915565 · #839155 · #559181

Contrast

#635591 as textRatioAAAA largeAAAFix
Aaon white
6.48:1passpassfail
  • AAA: use #5c4f87 as the text (7.18:1)
Aaon black
3.24:1failpassfail
  • AA: use #7c6eaa as the text (4.67:1)
  • AAA: use #998fbd as the text (7.02:1)
  • AA: or shift the background to #d9d9d9 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #635591 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 #635591
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 #635591 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/635591-aa9cc4-dfbb4e-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