Color

#757fb8

#757fb8
hex#757fb8
rgbrgb(117, 127, 184)
hslhsl(231, 32%, 59%)
oklchoklch(0.611 0.087 275.9)
Closest name: Aster (#867ba9)Relative luminance 0.2242

Colors that go with #757fb8

Charcoal, Sea Green and Amber 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 →

#b8ae75

#75a0b8 · #8c75b8

#b8757f · #7fb875

Split-complementary

Open in tool →

#b88c75 · #a0b875

#b875a0 · #b8ae75 · #75b88c

Contrast

#757fb8 as textRatioAAAA largeAAAFix
Aaon white
3.83:1failpassfail
  • AA: use #646faf as the text (4.74:1)
  • AAA: use #49538d as the text (7.23:1)
  • AA: or shift the background to #1a1a1a (4.55:1)
Aaon black
5.48:1passpassfail
  • AAA: use #8d95c4 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #757fb8 as the background.

Brands using this color

mcpConnect your agent — build around #757fb8
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 #757fb8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/757fb8-9c9ec4-df834e-231f2d-e9eef1?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