Color

#513277

#513277
hex#513277
rgbrgb(81, 50, 119)
hslhsl(267, 41%, 33%)
oklchoklch(0.389 0.115 302.1)
Closest name: Galactic Compass (#48357b)Relative luminance 0.0536

Colors that go with #513277

Charcoal, Blue and Crimson 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 →

#587732

#323577 · #733277

#775132 · #327751

Split-complementary

Open in tool →

#777332 · #357732

#773235 · #587732 · #327773

Contrast

#513277 as textRatioAAAA largeAAAFix
Aaon white
10.13:1passpasspassPasses AAA — no fix needed.
Aaon black
2.07:1failfailfail
  • AA: use #8a61bd as the text (4.53:1)
  • AAA: use #a788cd as the text (7.05:1)
  • AA: or shift the background to #adadad (4.52:1)
  • AAA: or shift the background to #d9d9d9 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #513277 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

#513277 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #513277
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 #513277 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/513277-b39cc4-dfda4e-2c1f2d-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