Color

#2f4aac

#2f4aac
hex#2f4aac
rgbrgb(47, 74, 172)
hslhsl(227, 57%, 43%)
oklchoklch(0.448 0.16 267.7)
Closest name: Denim (#2243b6)Relative luminance 0.0848

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ac912f

#2f89ac · #532fac

#ac2f4a · #4aac2f

Split-complementary

Open in tool →

#ac532f · #89ac2f

#ac2f89 · #ac912f · #2fac53

Contrast

#2f4aac as textRatioAAAA largeAAAFix
Aaon white
7.79:1passpasspassPasses AAA — no fix needed.
Aaon black
2.7:1failfailfail
  • AA: use #536ed0 as the text (4.51:1)
  • AAA: use #7f93dc as the text (7.11:1)
  • AA: or shift the background to #c7c7c7 (4.61:1)
  • AAA: or shift the background to #f5f5f5 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f4aac as the background.

Brands using this color

Fonts for this mood

#2f4aac reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f4aac
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 #2f4aac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f4aac-9ca0c4-df7a4e-221f2d-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