Color

#505fa5

#505fa5
hex#505fa5
rgbrgb(80, 95, 165)
hslhsl(229, 35%, 48%)
oklchoklch(0.507 0.112 272.7)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1261

Colors that go with #505fa5

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 →

#a59650

#508aa5 · #6b50a5

#a5505f · #5fa550

Split-complementary

Open in tool →

#a56b50 · #8aa550

#a5508a · #a59650 · #50a56b

Contrast

#505fa5 as textRatioAAAA largeAAAFix
Aaon white
5.96:1passpassfail
  • AAA: use #475594 as the text (7.01:1)
Aaon black
3.52:1failpassfail
  • AA: use #6473b4 as the text (4.65:1)
  • AAA: use #8a95c7 as the text (7.2:1)
  • AA: or shift the background to #e0e0e0 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #505fa5 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

#505fa5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #505fa5
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 #505fa5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/505fa5-9c9fc4-df7e4e-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