Color

#516ac8

#516ac8
hex#516ac8
rgbrgb(81, 106, 200)
hslhsl(227, 52%, 55%)
oklchoklch(0.553 0.148 269.8)
Closest name: God of Rain (#4466cc)Relative luminance 0.1623

Colors that go with #516ac8

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 →

#c8ae51

#51a6c8 · #7251c8

#c8516a · #6ac851

Split-complementary

Open in tool →

#c87251 · #a6c851

#c851a6 · #c8ae51 · #51c872

Contrast

#516ac8 as textRatioAAAA largeAAAFix
Aaon white
4.95:1passpassfail
  • AAA: use #3751ae as the text (7.12:1)
Aaon black
4.25:1failpassfail
  • AA: use #5871ca as the text (4.63:1)
  • AAA: use #8395d8 as the text (7.26:1)
  • AA: or shift the background to #f5f5f5 (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 #516ac8 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

#516ac8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #516ac8
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 #516ac8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/516ac8-9ca0c4-df7a4e-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