Color

#758da3

#758da3
hex#758da3
rgbrgb(117, 141, 163)
hslhsl(209, 20%, 55%)
oklchoklch(0.633 0.043 246.2)
Closest name: lightslategray (#778899)Relative luminance 0.2548

Colors that go with #758da3

Charcoal, Copper and Crimson 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 #758da3

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a38b75

#75a3a2 · #7576a3

#a3758d · #8da375

Split-complementary

Open in tool →

#a37576 · #a3a275

#a275a3 · #a38b75 · #76a375

Contrast

#758da3 as textRatioAAAA largeAAAFix
Aaon white
3.45:1failpassfail
  • AA: use #607990 as the text (4.53:1)
  • AAA: use #475a6b as the text (7.14:1)
  • AA: or shift the background to #242424 (4.51:1)
Aaon black
6.1:1passpassfail
  • AAA: use #859aad as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #758da3 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #758da3
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 #758da3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/758da3-9cacc4-df4e4e-1f212d-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