Color

#516ebd

#516ebd
hex#516ebd
rgbrgb(81, 110, 189)
hslhsl(224, 45%, 53%)
oklchoklch(0.554 0.128 267)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1658

Colors that go with #516ebd

Charcoal, Sea Green and Amber 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 →

#bda051

#51a4bd · #6a51bd

#bd516e · #6ebd51

Split-complementary

Open in tool →

#bd6a51 · #a4bd51

#bd51a4 · #bda051 · #51bd6a

Contrast

#516ebd as textRatioAAAA largeAAAFix
Aaon white
4.87:1passpassfail
  • AAA: use #3b559b as the text (7.1:1)
Aaon black
4.32:1failpassfail
  • AA: use #5974c0 as the text (4.68:1)
  • AAA: use #8196cf as the text (7.2:1)
  • AA: or shift the background to #f7f7f7 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #516ebd 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

#516ebd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #516ebd
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 #516ebd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/516ebd-9ca2c4-df724e-221f2d-e9eff1?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