Color

#653f78

#653f78
hex#653f78
rgbrgb(101, 63, 120)
hslhsl(280, 31%, 36%)
oklchoklch(0.436 0.1 313.6)
Closest name: Heartless (#623b70)Relative luminance 0.0768

Colors that go with #653f78

Charcoal, Sea Green 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 →

#52783f

#493f78 · #783f6f

#78653f · #3f7865

Split-complementary

Open in tool →

#6f783f · #3f7849

#78493f · #52783f · #3f6f78

Contrast

#653f78 as textRatioAAAA largeAAAFix
Aaon white
8.28:1passpasspassPasses AAA — no fix needed.
Aaon black
2.54:1failfailfail
  • AA: use #9462ac as the text (4.6:1)
  • AAA: use #ad87c0 as the text (7:1)
  • AA: or shift the background to #bfbfbf (4.5:1)
  • AAA: or shift the background to #ededed (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #653f78 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 #653f78
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 #653f78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/653f78-b99fc1-b8cb62-2d1f2c-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