Color

#5280a3

#5280a3
hex#5280a3
rgbrgb(82, 128, 163)
hslhsl(206, 33%, 48%)
oklchoklch(0.581 0.074 242.4)
Closest name: steelblue (#4682b4)Relative luminance 0.1988

Colors that go with #5280a3

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 #5280a3

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a37552

#52a39d · #5257a3

#a35280 · #80a352

Split-complementary

Open in tool →

#a35257 · #a39d52

#9d52a3 · #a37552 · #57a352

Contrast

#5280a3 as textRatioAAAA largeAAAFix
Aaon white
4.22:1failpassfail
  • AA: use #4f7a9c as the text (4.57:1)
  • AAA: use #3a5b73 as the text (7.18:1)
  • AA: or shift the background to #0f0f0f (4.54:1)
Aaon black
4.98:1passpassfail
  • AAA: use #749bb9 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5280a3 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 #5280a3
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 #5280a3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5280a3-9caec4-df4e56-1f212d-e9f1f1?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