Color

#507cbe

#507cbe
hex#507cbe
rgbrgb(80, 124, 190)
hslhsl(216, 46%, 53%)
oklchoklch(0.584 0.113 258.3)
Closest name: steelblue (#4682b4)Relative luminance 0.1984

Colors that go with #507cbe

Charcoal, Sea Green and Copper 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 →

#be9250

#50b3be · #5b50be

#be507c · #7cbe50

Split-complementary

Open in tool →

#be5b50 · #b3be50

#be50b3 · #be9250 · #50be5b

Contrast

#507cbe as textRatioAAAA largeAAAFix
Aaon white
4.23:1failpassfail
  • AA: use #4977bc as the text (4.52:1)
  • AAA: use #34588d as the text (7.18:1)
  • AA: or shift the background to #0f0f0f (4.53:1)
Aaon black
4.97:1passpassfail
  • AAA: use #7598cc as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #507cbe 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

#507cbe reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #507cbe
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 #507cbe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/507cbe-9ca7c4-df5f4e-201f2d-e9f0f1?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