Color

#2f4056

#2f4056
hex#2f4056
rgbrgb(47, 64, 86)
hslhsl(214, 29%, 26%)
oklchoklch(0.367 0.044 255.1)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0494

Tints & shades

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

Harmonies

Complementary

Open in tool →

#56452f

#2f5356 · #322f56

#562f40 · #40562f

Split-complementary

Open in tool →

#56322f · #53562f

#562f53 · #56452f · #2f5632

Contrast

#2f4056 as textRatioAAAA largeAAAFix
Aaon white
10.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.99:1failfailfail
  • AA: use #5978a1 as the text (4.63:1)
  • AAA: use #7f98b8 as the text (7.09:1)
  • AA: or shift the background to #ababab (4.6:1)
  • AAA: or shift the background to #d4d4d4 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f4056 as the background.

Brands using this color

Fonts for this mood

#2f4056 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f4056
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 #2f4056 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f4056-9ca9c4-df5a4e-1f1f2d-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