Color

#6582b3

#6582b3
hex#6582b3
rgbrgb(101, 130, 179)
hslhsl(218, 34%, 55%)
oklchoklch(0.604 0.082 260.6)
Closest name: Bay View (#6a819e)Relative luminance 0.2199

Colors that go with #6582b3

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b39765

#65a9b3 · #7065b3

#b36582 · #82b365

Split-complementary

Open in tool →

#b37065 · #a9b365

#b365a9 · #b39765 · #65b370

Contrast

#6582b3 as textRatioAAAA largeAAAFix
Aaon white
3.89:1failpassfail
  • AA: use #5877ad as the text (4.51:1)
  • AAA: use #405882 as the text (7.15:1)
  • AA: or shift the background to #171717 (4.61:1)
Aaon black
5.4:1passpassfail
  • AAA: use #8198c1 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6582b3 as the background.

Brands using this color

mcpConnect your agent — build around #6582b3
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 #6582b3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6582b3-9ca6c4-df644e-201f2d-e9f0f1?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