Color

#505aaf

#505aaf
hex#505aaf
rgbrgb(80, 90, 175)
hslhsl(234, 37%, 50%)
oklchoklch(0.503 0.134 275.4)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1211

Colors that go with #505aaf

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 →

#afa550

#5089af · #7650af

#af505a · #5aaf50

Split-complementary

Open in tool →

#af7650 · #89af50

#af5089 · #afa550 · #50af76

Contrast

#505aaf as textRatioAAAA largeAAAFix
Aaon white
6.14:1passpassfail
  • AAA: use #48519d as the text (7.14:1)
Aaon black
3.42:1failpassfail
  • AA: use #6971ba as the text (4.67:1)
  • AAA: use #8c92ca as the text (7.08:1)
  • AA: or shift the background to #dedede (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 #505aaf 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

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

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

tool url/palettes/new/505aaf-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