Color

#2f6da7

#2f6da7
hex#2f6da7
rgbrgb(47, 109, 167)
hslhsl(209, 56%, 42%)
oklchoklch(0.522 0.112 249.5)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1433

Colors that go with #2f6da7

Charcoal, Crimson and Sienna 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 →

#a7692f

#2fa7a5 · #2f31a7

#a72f6d · #6da72f

Split-complementary

Open in tool →

#a72f31 · #a7a52f

#a52fa7 · #a7692f · #31a72f

Contrast

#2f6da7 as textRatioAAAA largeAAAFix
Aaon white
5.43:1passpassfail
  • AAA: use #275b8b as the text (7.11:1)
Aaon black
3.87:1failpassfail
  • AA: use #357abb as the text (4.65:1)
  • AAA: use #609bd2 as the text (7.12:1)
  • AA: or shift the background to #ebebeb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f6da7 as the background.

Brands using this color

Fonts for this mood

#2f6da7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f6da7
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 #2f6da7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f6da7-9cacc4-df4e4e-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