Color

#4a80fc

#4a80fc
hex#4a80fc
rgbrgb(74, 128, 252)
hslhsl(222, 97%, 64%)
oklchoklch(0.629 0.194 264)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2392

Colors that go with #4a80fc

Charcoal, Red 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 →

#fcc74a

#4ad9fc · #6e4afc

#fc4a80 · #80fc4a

Split-complementary

Open in tool →

#fc6e4a · #d9fc4a

#fc4ad9 · #fcc74a · #4afc6e

Contrast

#4a80fc as textRatioAAAA largeAAAFix
Aaon white
3.63:1failpassfail
  • AA: use #2c6afc as the text (4.59:1)
  • AAA: use #0346e2 as the text (7.05:1)
  • AA: or shift the background to #1f1f1f (4.54:1)
Aaon black
5.78:1passpassfail
  • AAA: use #6895fd as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4a80fc as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#4a80fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4a80fc
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 #4a80fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4a80fc-9ca3c4-df6e4e-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