Color

#539ca2

#539ca2
hex#539ca2
rgbrgb(83, 156, 162)
hslhsl(185, 32%, 48%)
oklchoklch(0.648 0.073 202.5)
Closest name: cadetblue (#5f9ea0)Relative luminance 0.2822

Colors that go with #539ca2

Charcoal, Blush Pink and Copper 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 #539ca2

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a25a53

#53a281 · #5374a2

#a2539b · #9ba253

Split-complementary

Open in tool →

#a25374 · #a28153

#8153a2 · #a25a53 · #74a253

Contrast

#539ca2 as textRatioAAAA largeAAAFix
Aaon white
3.16:1failpassfail
  • AA: use #447e83 as the text (4.61:1)
  • AAA: use #325e62 as the text (7.21:1)
  • AA: or shift the background to #292929 (4.6:1)
Aaon black
6.64:1passpassfail
  • AAA: use #57a2a8 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 #539ca2 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #539ca2
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 #539ca2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/539ca2-a2b8be-df4e88-1f262d-e9f1ee?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