Color

#4f85ab

#4f85ab
hex#4f85ab
rgbrgb(79, 133, 171)
hslhsl(205, 37%, 49%)
oklchoklch(0.595 0.082 240.7)
Closest name: steelblue (#4682b4)Relative luminance 0.2138

Colors that go with #4f85ab

Charcoal, Copper 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.

Real palettes that use #4f85ab

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab754f

#4faba3 · #4f56ab

#ab4f85 · #85ab4f

Split-complementary

Open in tool →

#ab4f56 · #aba34f

#a34fab · #ab754f · #56ab4f

Contrast

#4f85ab as textRatioAAAA largeAAAFix
Aaon white
3.98:1failpassfail
  • AA: use #487a9d as the text (4.62:1)
  • AAA: use #375c77 as the text (7.1:1)
  • AA: or shift the background to #171717 (4.5:1)
Aaon black
5.28:1passpassfail
  • AAA: use #6c9bbc as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f85ab 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

#4f85ab reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f85ab
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 #4f85ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f85ab-9cafc4-df4e58-1f212d-e9f1f0?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