Color

#5366ac

#5366ac
hex#5366ac
rgbrgb(83, 102, 172)
hslhsl(227, 35%, 50%)
oklchoklch(0.528 0.113 270.7)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1432

Colors that go with #5366ac

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 →

#ac9953

#5393ac · #6c53ac

#ac5366 · #66ac53

Split-complementary

Open in tool →

#ac6c53 · #93ac53

#ac5393 · #ac9953 · #53ac6c

Contrast

#5366ac as textRatioAAAA largeAAAFix
Aaon white
5.43:1passpassfail
  • AAA: use #44548d as the text (7.25:1)
Aaon black
3.86:1failpassfail
  • AA: use #6172b3 as the text (4.57:1)
  • AAA: use #8794c5 as the text (7.07:1)
  • AA: or shift the background to #ebebeb (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 #5366ac 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

#5366ac reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5366ac
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 #5366ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5366ac-9ca0c4-df7a4e-221f2d-e9eff1?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