Color

#518ebd

#518ebd
hex#518ebd
rgbrgb(81, 142, 189)
hslhsl(206, 45%, 53%)
oklchoklch(0.625 0.095 243.4)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2477

Colors that go with #518ebd

Charcoal, Copper 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 →

#bd8051

#51bdb6 · #5158bd

#bd518e · #8ebd51

Split-complementary

Open in tool →

#bd5158 · #bdb651

#b651bd · #bd8051 · #58bd51

Contrast

#518ebd as textRatioAAAA largeAAAFix
Aaon white
3.53:1failpassfail
  • AA: use #3f7aa6 as the text (4.62:1)
  • AAA: use #305c7e as the text (7.1:1)
  • AA: or shift the background to #212121 (4.57:1)
Aaon black
5.95:1passpassfail
  • AAA: use #679dc5 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #518ebd 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

#518ebd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #518ebd
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 #518ebd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/518ebd-9caec4-df4e56-1f212d-e9f1f1?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