Color

#506fc3

#506fc3
hex#506fc3
rgbrgb(80, 111, 195)
hslhsl(224, 49%, 54%)
oklchoklch(0.559 0.135 266.8)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1701

Colors that go with #506fc3

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 →

#c3a550

#50a8c3 · #6b50c3

#c3506f · #6fc350

Split-complementary

Open in tool →

#c36b50 · #a8c350

#c350a8 · #c3a550 · #50c36b

Contrast

#506fc3 as textRatioAAAA largeAAAFix
Aaon white
4.77:1passpassfail
  • AAA: use #3855a3 as the text (7.01:1)
Aaon black
4.4:1failpassfail
  • AA: use #5472c4 as the text (4.58:1)
  • AAA: use #7e94d3 as the text (7.06:1)
  • AA: or shift the background to #fafafa (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #506fc3 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

#506fc3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #506fc3
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 #506fc3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/506fc3-9ca2c4-df724e-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