Color

#512caf

#512caf
hex#512caf
rgbrgb(81, 44, 175)
hslhsl(257, 60%, 43%)
oklchoklch(0.427 0.193 288.3)
Closest name: Blurple (#5539cc)Relative luminance 0.0665

Colors that go with #512caf

Charcoal, Royal Blue and 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 →

#8aaf2c

#2c48af · #932caf

#af512c · #2caf51

Split-complementary

Open in tool →

#af932c · #48af2c

#af2c48 · #8aaf2c · #2caf93

Contrast

#512caf as textRatioAAAA largeAAAFix
Aaon white
9.02:1passpasspassPasses AAA — no fix needed.
Aaon black
2.33:1failfailfail
  • AA: use #8260d7 as the text (4.6:1)
  • AAA: use #a289e1 as the text (7.2:1)
  • AA: or shift the background to #b8b8b8 (4.55:1)
  • AAA: or shift the background to #e3e3e3 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #512caf 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

#512caf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #512caf
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 #512caf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/512caf-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