Color

#519db8

#519db8
hex#519db8
rgbrgb(81, 157, 184)
hslhsl(196, 42%, 52%)
oklchoklch(0.658 0.085 223.7)
Closest name: Atlas Cedar (#5ca0a7)Relative luminance 0.2932

Colors that go with #519db8

Charcoal, Terracotta 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.

Real palettes that use #519db8

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b86d51

#51b8a0 · #5169b8

#b8519d · #9db851

Split-complementary

Open in tool →

#b85169 · #b8a051

#a051b8 · #b86d51 · #69b851

Contrast

#519db8 as textRatioAAAA largeAAAFix
Aaon white
3.06:1failpassfail
  • AA: use #3d7d94 as the text (4.61:1)
  • AAA: use #2e5f70 as the text (7.03:1)
  • AA: or shift the background to #2b2b2b (4.63:1)
Aaon black
6.86:1passpassfail
  • AAA: use #559fb9 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #519db8 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

#519db8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #519db8
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 #519db8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/519db8-9cb5c4-df4e6e-1f232d-e9f1ef?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