Color

#758699

#758699
hex#758699
rgbrgb(117, 134, 153)
hslhsl(212, 15%, 53%)
oklchoklch(0.613 0.035 251.3)
Closest name: lightslategray (#778899)Relative luminance 0.2313

Colors that go with #758699

Charcoal, Copper and Champagne 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 →

#998875

#759899 · #767599

#997586 · #869975

Split-complementary

Open in tool →

#997675 · #989975

#997598 · #998875 · #759976

Contrast

#758699 as textRatioAAAA largeAAAFix
Aaon white
3.73:1failpassfail
  • AA: use #66778a as the text (4.59:1)
  • AAA: use #4c5867 as the text (7.24:1)
  • AA: or shift the background to #1c1c1c (4.57:1)
Aaon black
5.63:1passpassfail
  • AAA: use #8a98a8 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #758699 as the background.

Brands using this color

mcpConnect your agent — build around #758699
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 #758699 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/758699-9caac4-df564e-1f202d-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