Color

#2f78bc

#2f78bc
hex#2f78bc
rgbrgb(47, 120, 188)
hslhsl(209, 60%, 46%)
oklchoklch(0.56 0.128 249.9)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1767

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc732f

#2fbcb9 · #2f31bc

#bc2f78 · #78bc2f

Split-complementary

Open in tool →

#bc2f31 · #bcb92f

#b92fbc · #bc732f · #31bc2f

Contrast

#2f78bc as textRatioAAAA largeAAAFix
Aaon white
4.63:1passpassfail
  • AAA: use #245b8f as the text (7.08:1)
Aaon black
4.53:1passpassfail
  • AAA: use #5c9bd6 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f78bc as the background.

Brands using this color

Fonts for this mood

#2f78bc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f78bc
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2f78bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f78bc-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