Color

#513875

#513875
hex#513875
rgbrgb(81, 56, 117)
hslhsl(265, 35%, 34%)
oklchoklch(0.399 0.102 300.8)
Closest name: Galactic Compass (#48357b)Relative luminance 0.0586

Colors that go with #513875

Blue, Crimson and Denim 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 →

#5c7538

#383d75 · #703875

#755238 · #387552

Split-complementary

Open in tool →

#757038 · #3d7538

#75383d · #5c7538 · #387570

Contrast

#513875 as textRatioAAAA largeAAAFix
Aaon white
9.67:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #8868b6 as the text (4.7:1)
  • AAA: use #a38ac7 as the text (7.02:1)
  • AA: or shift the background to #b3b3b3 (4.61:1)
  • AAA: or shift the background to #dedede (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #513875 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

#513875 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #513875
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 #513875 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/513875-b19cc4-dfd54e-2b1f2d-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