Color

#53189a

#53189a
hex#53189a
rgbrgb(83, 24, 154)
hslhsl(267, 73%, 35%)
oklchoklch(0.388 0.188 296.7)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0483

Colors that go with #53189a

Royal Blue, 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#609a18

#181f9a · #94189a

#9a5318 · #189a53

Split-complementary

Open in tool →

#9a9418 · #1f9a18

#9a181f · #609a18 · #189a94

Contrast

#53189a as textRatioAAAA largeAAAFix
Aaon white
10.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.97:1failfailfail
  • AA: use #9453e4 as the text (4.62:1)
  • AAA: use #b07feb as the text (7.08:1)
  • AA: or shift the background to #ababab (4.65:1)
  • AAA: or shift the background to #d4d4d4 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #53189a as the background.

Brands using this color

Fonts for this mood

#53189a reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #53189a
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 #53189a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/53189a-b39cc4-dfda4e-2c1f2d-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