Color

#5425cb

#5425cb
hex#5425cb
rgbrgb(84, 37, 203)
hslhsl(257, 69%, 47%)
oklchoklch(0.449 0.23 285.4)
Closest name: Blurple (#5539cc)Relative luminance 0.0752

Colors that go with #5425cb

Charcoal, Royal Blue and Sea Green 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 →

#9ccb25

#2549cb · #a725cb

#cb5425 · #25cb54

Split-complementary

Open in tool →

#cba725 · #49cb25

#cb2549 · #9ccb25 · #25cba7

Contrast

#5425cb as textRatioAAAA largeAAAFix
Aaon white
8.39:1passpasspassPasses AAA — no fix needed.
Aaon black
2.5:1failfailfail
  • AA: use #815be1 as the text (4.52:1)
  • AAA: use #a286e9 as the text (7.12:1)
  • AA: or shift the background to #bfbfbf (4.56:1)
  • AAA: or shift the background to #ebebeb (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5425cb as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#5425cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5425cb
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 #5425cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5425cb-ac9cc4-dfc24e-291f2d-e9ebf1?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