Color

#5172bd

#5172bd
hex#5172bd
rgbrgb(81, 114, 189)
hslhsl(222, 45%, 53%)
oklchoklch(0.562 0.123 264.8)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1746

Colors that go with #5172bd

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 →

#bd9d51

#51a8bd · #6751bd

#bd5172 · #72bd51

Split-complementary

Open in tool →

#bd6751 · #a8bd51

#bd51a8 · #bd9d51 · #51bd67

Contrast

#5172bd as textRatioAAAA largeAAAFix
Aaon white
4.68:1passpassfail
  • AAA: use #3a5698 as the text (7.08:1)
Aaon black
4.49:1failpassfail
  • AA: use #5575be as the text (4.67:1)
  • AAA: use #7e96ce as the text (7.14:1)
  • AA: or shift the background to #fcfcfc (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5172bd 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

#5172bd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5172bd
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 #5172bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5172bd-9ca3c4-df6e4e-211f2d-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