Color

#51569a

#51569a
hex#51569a
rgbrgb(81, 86, 154)
hslhsl(236, 31%, 46%)
oklchoklch(0.482 0.108 278.3)
Closest name: Freshly Purpleized (#5c5083)Relative luminance 0.1074

Colors that go with #51569a

Charcoal, Amber 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.

Real palettes that use #51569a

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#9a9551

#517a9a · #70519a

#9a5156 · #569a51

Split-complementary

Open in tool →

#9a7051 · #7a9a51

#9a517a · #9a9551 · #519a70

Contrast

#51569a as textRatioAAAA largeAAAFix
Aaon white
6.67:1passpassfail
  • AAA: use #4d5293 as the text (7.13:1)
Aaon black
3.15:1failpassfail
  • AA: use #6c71b2 as the text (4.64:1)
  • AAA: use #9194c5 as the text (7.25:1)
  • AA: or shift the background to #d4d4d4 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51569a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #51569a
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 #51569a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51569a-9e9cc4-df8f4e-241f2d-e9eef1?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