Color

#5124cc

#5124cc
hex#5124cc
rgbrgb(81, 36, 204)
hslhsl(256, 70%, 47%)
oklchoklch(0.447 0.232 284.1)
Closest name: Blurple (#5539cc)Relative luminance 0.0737

Colors that go with #5124cc

Charcoal, Royal Blue and Cobalt 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 →

#9fcc24

#244bcc · #a524cc

#cc5124 · #24cc51

Split-complementary

Open in tool →

#cca524 · #4bcc24

#cc244b · #9fcc24 · #24cca5

Contrast

#5124cc as textRatioAAAA largeAAAFix
Aaon white
8.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2.47:1failfailfail
  • AA: use #825fe3 as the text (4.7:1)
  • AAA: use #a086ea as the text (7.09:1)
  • AA: or shift the background to #bdbdbd (4.52:1)
  • AAA: or shift the background to #ebebeb (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5124cc 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

#5124cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5124cc
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 #5124cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5124cc-ab9cc4-dfbf4e-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