Color

#5a25bb

#5a25bb
hex#5a25bb
rgbrgb(90, 37, 187)
hslhsl(261, 67%, 44%)
oklchoklch(0.439 0.212 290.9)
Closest name: Blurple (#5539cc)Relative luminance 0.0708

Colors that go with #5a25bb

Charcoal, Royal Blue and Midnight 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 →

#87bb25

#253cbb · #a525bb

#bb5a25 · #25bb5a

Split-complementary

Open in tool →

#bba525 · #3cbb25

#bb253c · #87bb25 · #25bba5

Contrast

#5a25bb as textRatioAAAA largeAAAFix
Aaon white
8.69:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #8859de as the text (4.53:1)
  • AAA: use #a684e7 as the text (7.08:1)
  • AA: or shift the background to #bdbdbd (4.62:1)
  • AAA: or shift the background to #e8e8e8 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a25bb as the background.

Brands using this color

Fonts for this mood

#5a25bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a25bb
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 #5a25bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a25bb-af9cc4-dfcb4e-2a1f2d-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