Color

#512eb2

#512eb2
hex#512eb2
rgbrgb(81, 46, 178)
hslhsl(256, 59%, 44%)
oklchoklch(0.432 0.194 287.4)
Closest name: Blurple (#5539cc)Relative luminance 0.0692

Colors that go with #512eb2

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 →

#8fb22e

#2e4db2 · #942eb2

#b2512e · #2eb251

Split-complementary

Open in tool →

#b2942e · #4db22e

#b22e4d · #8fb22e · #2eb294

Contrast

#512eb2 as textRatioAAAA largeAAAFix
Aaon white
8.81:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #8061d6 as the text (4.6:1)
  • AAA: use #a189e1 as the text (7.18:1)
  • AA: or shift the background to #bababa (4.54:1)
  • AAA: or shift the background to #e6e6e6 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #512eb2 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

#512eb2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #512eb2
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 #512eb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/512eb2-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