Color

#505eaf

#505eaf
hex#505eaf
rgbrgb(80, 94, 175)
hslhsl(231, 37%, 50%)
oklchoklch(0.511 0.128 273.6)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1281

Colors that go with #505eaf

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 →

#afa150

#508eaf · #7150af

#af505e · #5eaf50

Split-complementary

Open in tool →

#af7150 · #8eaf50

#af508e · #afa150 · #50af71

Contrast

#505eaf as textRatioAAAA largeAAAFix
Aaon white
5.9:1passpassfail
  • AAA: use #47539a as the text (7.07:1)
Aaon black
3.56:1failpassfail
  • AA: use #6572b8 as the text (4.65:1)
  • AAA: use #8c95ca as the text (7.27:1)
  • AA: or shift the background to #e3e3e3 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #505eaf 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

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

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

tool url/palettes/new/505eaf-9c9ec4-df834e-231f2d-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