Color

#653b78

#653b78
hex#653b78
rgbrgb(101, 59, 120)
hslhsl(281, 34%, 35%)
oklchoklch(0.429 0.108 314.4)
Closest name: Heartless (#623b70)Relative luminance 0.0725

Colors that go with #653b78

Charcoal, Sea Green 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e783b

#463b78 · #783b6c

#78643b · #3b7864

Split-complementary

Open in tool →

#6c783b · #3b7846

#78463b · #4e783b · #3b6c78

Contrast

#653b78 as textRatioAAAA largeAAAFix
Aaon white
8.57:1passpasspassPasses AAA — no fix needed.
Aaon black
2.45:1failfailfail
  • AA: use #965eb0 as the text (4.52:1)
  • AAA: use #b187c4 as the text (7.13:1)
  • AA: or shift the background to #bdbdbd (4.56:1)
  • AAA: or shift the background to #ebebeb (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #653b78 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 #653b78
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 #653b78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/653b78-ba9fc1-b6cb62-2d1f2c-ebe9f1?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