Color

#4f77ab

#4f77ab
hex#4f77ab
rgbrgb(79, 119, 171)
hslhsl(214, 37%, 49%)
oklchoklch(0.562 0.093 255.4)
Closest name: Blue Triumph (#4376ab)Relative luminance 0.178

Colors that go with #4f77ab

Charcoal, Sea Green and Sienna 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 →

#ab834f

#4fa5ab · #554fab

#ab4f77 · #77ab4f

Split-complementary

Open in tool →

#ab554f · #a5ab4f

#ab4fa5 · #ab834f · #4fab55

Contrast

#4f77ab as textRatioAAAA largeAAAFix
Aaon white
4.61:1passpassfail
  • AAA: use #3b5a81 as the text (7.08:1)
Aaon black
4.56:1passpassfail
  • AAA: use #7a99c2 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f77ab as the background.

Brands using this color

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

Fonts for this mood

#4f77ab reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f77ab
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 #4f77ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f77ab-9ca9c4-df5a4e-1f1f2d-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