Color

#516994

#516994
hex#516994
rgbrgb(81, 105, 148)
hslhsl(219, 29%, 45%)
oklchoklch(0.52 0.074 261.7)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1399

Tints & shades

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

Harmonies

Complementary

Open in tool →

#947d51

#518a94 · #5b5194

#945169 · #699451

Split-complementary

Open in tool →

#945b51 · #8a9451

#94518a · #947d51 · #51945b

Contrast

#516994 as textRatioAAAA largeAAAFix
Aaon white
5.53:1passpassfail
  • AAA: use #45587d as the text (7.13:1)
Aaon black
3.8:1failpassfail
  • AA: use #5e77a6 as the text (4.67:1)
  • AAA: use #8296ba as the text (7.02:1)
  • AA: or shift the background to #e8e8e8 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #516994 as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #516994
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #516994 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/516994-9ca5c4-df664e-211f2d-e9f0f1?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