Color

#539fb2

#539fb2
hex#539fb2
rgbrgb(83, 159, 178)
hslhsl(192, 38%, 51%)
oklchoklch(0.661 0.08 216.1)
Closest name: Atlas Cedar (#5ca0a7)Relative luminance 0.2985

Colors that go with #539fb2

Charcoal, Terracotta 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.

Real palettes that use #539fb2

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b26653

#53b295 · #536fb2

#b2539f · #9fb253

Split-complementary

Open in tool →

#b2536f · #b29553

#9553b2 · #b26653 · #6fb253

Contrast

#539fb2 as textRatioAAAA largeAAAFix
Aaon white
3.01:1failpassfail
  • AA: use #3f7d8d as the text (4.64:1)
  • AAA: use #2f5e6a as the text (7.17:1)
  • AA: or shift the background to #2e2e2e (4.51:1)
Aaon black
6.97:1passpassfail
  • AAA: use #56a1b3 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #539fb2 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

#539fb2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #539fb2
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 #539fb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/539fb2-a2b5be-df4e77-1f242d-e9f1ef?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