Color

#505ac3

#505ac3
hex#505ac3
rgbrgb(80, 90, 195)
hslhsl(235, 49%, 54%)
oklchoklch(0.517 0.162 275.1)
Closest name: God of Rain (#4466cc)Relative luminance 0.1296

Colors that go with #505ac3

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 →

#c3ba50

#5093c3 · #8050c3

#c3505a · #5ac350

Split-complementary

Open in tool →

#c38050 · #93c350

#c35093 · #c3ba50 · #50c380

Contrast

#505ac3 as textRatioAAAA largeAAAFix
Aaon white
5.85:1passpassfail
  • AAA: use #414bbe as the text (7.06:1)
Aaon black
3.59:1failpassfail
  • AA: use #636cca as the text (4.53:1)
  • AAA: use #8990d7 as the text (7.03:1)
  • AA: or shift the background to #e3e3e3 (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 #505ac3 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

#505ac3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #505ac3
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 #505ac3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/505ac3-9e9cc4-df8d4e-241f2d-e9eef1?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