Color

#538497

#538497
hex#538497
rgbrgb(83, 132, 151)
hslhsl(197, 29%, 46%)
oklchoklch(0.586 0.06 224.6)
Closest name: Arctic (#648589)Relative luminance 0.2058

Colors that go with #538497

Charcoal, Copper 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 #538497

Tints & shades

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

Harmonies

Complementary

Open in tool →

#976753

#539789 · #536297

#975384 · #849753

Split-complementary

Open in tool →

#975362 · #978953

#895397 · #976753 · #629753

Contrast

#538497 as textRatioAAAA largeAAAFix
Aaon white
4.11:1failpassfail
  • AA: use #4e7b8d as the text (4.62:1)
  • AAA: use #3a5c69 as the text (7.2:1)
  • AA: or shift the background to #121212 (4.56:1)
Aaon black
5.12:1passpassfail
  • AAA: use #6e9daf as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #538497 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 #538497
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 #538497 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/538497-9cb4c4-df4e6b-1f232d-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