Color

#658fa4

#658fa4
hex#658fa4
rgbrgb(101, 143, 164)
hslhsl(200, 26%, 52%)
oklchoklch(0.627 0.056 230.4)
Closest name: Cavolo Nero (#72939e)Relative luminance 0.2509

Colors that go with #658fa4

Charcoal, Copper and Denim 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 #658fa4

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a47a65

#65a49a · #656fa4

#a4658f · #8fa465

Split-complementary

Open in tool →

#a4656f · #a49a65

#9a65a4 · #a47a65 · #6fa465

Contrast

#658fa4 as textRatioAAAA largeAAAFix
Aaon white
3.49:1failpassfail
  • AA: use #537a8d as the text (4.63:1)
  • AAA: use #3e5b6a as the text (7.22:1)
  • AA: or shift the background to #212121 (4.61:1)
Aaon black
6.02:1passpassfail
  • AAA: use #759bae as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #658fa4 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 #658fa4
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 #658fa4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/658fa4-9cb2c4-df4e64-1f232d-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