Color

#4b80af

#4b80af
hex#4b80af
rgbrgb(75, 128, 175)
hslhsl(208, 40%, 49%)
oklchoklch(0.583 0.092 246.9)
Closest name: steelblue (#4682b4)Relative luminance 0.2003

Colors that go with #4b80af

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 #4b80af

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af7a4b

#4bafac · #4b4eaf

#af4b80 · #80af4b

Split-complementary

Open in tool →

#af4b4e · #afac4b

#ac4baf · #af7a4b · #4eaf4b

Contrast

#4b80af as textRatioAAAA largeAAAFix
Aaon white
4.2:1failpassfail
  • AA: use #4678a4 as the text (4.68:1)
  • AAA: use #365c7d as the text (7.04:1)
  • AA: or shift the background to #0f0f0f (4.57:1)
Aaon black
5.01:1passpassfail
  • AAA: use #709cc2 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 #4b80af 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

#4b80af reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b80af
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 #4b80af and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b80af-9cadc4-df4e51-1f212d-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