Color

#758299

#758299
hex#758299
rgbrgb(117, 130, 153)
hslhsl(218, 15%, 53%)
oklchoklch(0.604 0.038 261.9)
Closest name: Slate Gray (#708090)Relative luminance 0.2205

Colors that go with #758299

Charcoal, Copper and Blush Pink 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 →

#998c75

#759499 · #7a7599

#997582 · #829975

Split-complementary

Open in tool →

#997a75 · #949975

#997594 · #998c75 · #75997a

Contrast

#758299 as textRatioAAAA largeAAAFix
Aaon white
3.88:1failpassfail
  • AA: use #68768d as the text (4.6:1)
  • AAA: use #4e586a as the text (7.17:1)
  • AA: or shift the background to #171717 (4.62:1)
Aaon black
5.41:1passpassfail
  • AAA: use #8d98aa as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #758299 as the background.

Brands using this color

mcpConnect your agent — build around #758299
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 #758299 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/758299-9ca6c4-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