Color

#2f65da

#2f65da
hex#2f65da
rgbrgb(47, 101, 218)
hslhsl(221, 70%, 52%)
oklchoklch(0.539 0.189 263)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1497

Colors that go with #2f65da

Charcoal, Amber and Blue 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 →

#daa42f

#2fbbda · #4e2fda

#da2f65 · #65da2f

Split-complementary

Open in tool →

#da4e2f · #bbda2f

#da2fbb · #daa42f · #2fda4e

Contrast

#2f65da as textRatioAAAA largeAAAFix
Aaon white
5.26:1passpassfail
  • AAA: use #2152ba as the text (7.05:1)
Aaon black
3.99:1failpassfail
  • AA: use #3c6fdd as the text (4.51:1)
  • AAA: use #7095e6 as the text (7.13:1)
  • AA: or shift the background to #f0f0f0 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f65da as the background.

Brands using this color

Fonts for this mood

#2f65da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f65da
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 #2f65da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f65da-9ca4c4-df6b4e-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