Color

#4a90bf

#4a90bf
hex#4a90bf
rgbrgb(74, 144, 191)
hslhsl(204, 48%, 52%)
oklchoklch(0.628 0.1 240.3)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2516

Colors that go with #4a90bf

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf794a

#4abfb4 · #4a56bf

#bf4a90 · #90bf4a

Split-complementary

Open in tool →

#bf4a56 · #bfb44a

#b44abf · #bf794a · #56bf4a

Contrast

#4a90bf as textRatioAAAA largeAAAFix
Aaon white
3.48:1failpassfail
  • AA: use #3a7ba6 as the text (4.6:1)
  • AAA: use #2c5c7d as the text (7.16:1)
  • AA: or shift the background to #212121 (4.63:1)
Aaon black
6.03:1passpassfail
  • AAA: use #5d9cc6 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4a90bf 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

#4a90bf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4a90bf
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 #4a90bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4a90bf-9cafc4-df4e5a-1f222d-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