Color

#53128c

#53128c
hex#53128c
rgbrgb(83, 18, 140)
hslhsl(272, 77%, 31%)
oklchoklch(0.37 0.179 301.5)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0417

Colors that go with #53128c

Olive Green, Charcoal 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 →

#4b8c12

#16128c · #8c1288

#8c5312 · #128c53

Split-complementary

Open in tool →

#888c12 · #128c16

#8c1612 · #4b8c12 · #12888c

Contrast

#53128c as textRatioAAAA largeAAAFix
Aaon white
11.46:1passpasspassPasses AAA — no fix needed.
Aaon black
1.83:1failfailfail
  • AA: use #9e4ae8 as the text (4.6:1)
  • AAA: use #b97cee as the text (7.18:1)
  • AA: or shift the background to #a3a3a3 (4.54:1)
  • AAA: or shift the background to #cccccc (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #53128c as the background.

Brands using this color

Fonts for this mood

#53128c reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #53128c
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 #53128c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/53128c-b69cc4-c5cb62-2d1f2d-eae9f1?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