Color

#658da4

#658da4
hex#658da4
rgbrgb(101, 141, 164)
hslhsl(202, 26%, 52%)
oklchoklch(0.623 0.056 234.1)
Closest name: lightslategray (#778899)Relative luminance 0.245

Colors that go with #658da4

Charcoal, Copper and Cobalt Blue 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 →

#a47c65

#65a49c · #656da4

#a4658d · #8da465

Split-complementary

Open in tool →

#a4656d · #a49c65

#9c65a4 · #a47c65 · #6da465

Contrast

#658da4 as textRatioAAAA largeAAAFix
Aaon white
3.56:1failpassfail
  • AA: use #557b91 as the text (4.54:1)
  • AAA: use #3e5a6a as the text (7.3:1)
  • AA: or shift the background to #212121 (4.52:1)
Aaon black
5.9:1passpassfail
  • AAA: use #789bb0 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #658da4 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 #658da4
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 #658da4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/658da4-9cb1c4-df4e5f-1f222d-e9f1f0?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