Color

#2f90da

#2f90da
hex#2f90da
rgbrgb(47, 144, 218)
hslhsl(206, 70%, 52%)
oklchoklch(0.633 0.142 246.2)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2561

Colors that go with #2f90da

Charcoal, Orange Red and Copper 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 →

#da792f

#2fdacf · #2f3ada

#da2f90 · #90da2f

Split-complementary

Open in tool →

#da2f3a · #dacf2f

#cf2fda · #da792f · #3ada2f

Contrast

#2f90da as textRatioAAAA largeAAAFix
Aaon white
3.43:1failpassfail
  • AA: use #227bbf as the text (4.51:1)
  • AAA: use #195c8f as the text (7.07:1)
  • AA: or shift the background to #242424 (4.53:1)
Aaon black
6.12:1passpassfail
  • AAA: use #459cde as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f90da 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

#2f90da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f90da
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 #2f90da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f90da-9caec4-df4e56-1f212d-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