Color

#2f4e83

#2f4e83
hex#2f4e83
rgbrgb(47, 78, 131)
hslhsl(218, 47%, 35%)
oklchoklch(0.427 0.096 260.5)
Closest name: Assassin (#2d4f83)Relative luminance 0.0769

Tints & shades

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

Harmonies

Complementary

Open in tool →

#83642f

#2f7883 · #3a2f83

#832f4e · #4e832f

Split-complementary

Open in tool →

#833a2f · #78832f

#832f78 · #83642f · #2f833a

Contrast

#2f4e83 as textRatioAAAA largeAAAFix
Aaon white
8.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.54:1failfailfail
  • AA: use #4b75be as the text (4.59:1)
  • AAA: use #7898ce as the text (7.18:1)
  • AA: or shift the background to #c2c2c2 (4.64:1)
  • AAA: or shift the background to #ededed (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f4e83 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

#2f4e83 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f4e83
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 #2f4e83 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f4e83-9ca6c4-df644e-201f2d-e9f0f1?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