Color

#5f77ab

#5f77ab
hex#5f77ab
rgbrgb(95, 119, 171)
hslhsl(221, 31%, 52%)
oklchoklch(0.572 0.086 264.9)
Closest name: Flood (#6677bb)Relative luminance 0.1857

Colors that go with #5f77ab

Charcoal, Copper and Sea Green 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 #5f77ab

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab935f

#5f9dab · #6d5fab

#ab5f77 · #77ab5f

Split-complementary

Open in tool →

#ab6d5f · #9dab5f

#ab5f9d · #ab935f · #5fab6d

Contrast

#5f77ab as textRatioAAAA largeAAAFix
Aaon white
4.46:1failpassfail
  • AA: use #5b74a9 as the text (4.65:1)
  • AAA: use #455882 as the text (7.07:1)
  • AA: or shift the background to #050505 (4.57:1)
Aaon black
4.71:1passpassfail
  • AAA: use #8396be as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5f77ab 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 #5f77ab
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 #5f77ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5f77ab-9ca4c4-df6b4e-211f2d-e9eff1?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