Color

#653a9c

#653a9c
hex#653a9c
rgbrgb(101, 58, 156)
hslhsl(266, 46%, 42%)
oklchoklch(0.451 0.154 300.6)
Closest name: rebeccapurple (#663399)Relative luminance 0.0819

Colors that go with #653a9c

Charcoal, Royal Blue and Blue 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 →

#729c3a

#3a409c · #963a9c

#9c653a · #3a9c65

Split-complementary

Open in tool →

#9c963a · #409c3a

#9c3a40 · #729c3a · #3a9c96

Contrast

#653a9c as textRatioAAAA largeAAAFix
Aaon white
7.96:1passpasspassPasses AAA — no fix needed.
Aaon black
2.64:1failfailfail
  • AA: use #8b5fc4 as the text (4.53:1)
  • AAA: use #a888d3 as the text (7.13:1)
  • AA: or shift the background to #c4c4c4 (4.56:1)
  • AAA: or shift the background to #f2f2f2 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #653a9c as the background.

Brands using this color

Fonts for this mood

#653a9c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #653a9c
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 #653a9c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/653a9c-b29cc4-dfd74e-2b1f2d-e9eaf1?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