Color

#505bbe

#505bbe
hex#505bbe
rgbrgb(80, 91, 190)
hslhsl(234, 46%, 53%)
oklchoklch(0.515 0.154 274.9)
Closest name: God of Rain (#4466cc)Relative luminance 0.1291

Colors that go with #505bbe

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 →

#beb350

#5092be · #7c50be

#be505b · #5bbe50

Split-complementary

Open in tool →

#be7c50 · #92be50

#be5092 · #beb350 · #50be7c

Contrast

#505bbe as textRatioAAAA largeAAAFix
Aaon white
5.86:1passpassfail
  • AAA: use #424db3 as the text (7.13:1)
Aaon black
3.58:1failpassfail
  • AA: use #6670c7 as the text (4.71:1)
  • AAA: use #8c93d4 as the text (7.24:1)
  • AA: or shift the background to #e3e3e3 (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 #505bbe 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

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

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

tool url/palettes/new/505bbe-9d9cc4-df8a4e-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