Color

#2f3e56

#2f3e56
hex#2f3e56
rgbrgb(47, 62, 86)
hslhsl(217, 29%, 26%)
oklchoklch(0.362 0.046 259.6)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0472

Tints & shades

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

Harmonies

Complementary

Open in tool →

#56472f

#2f5156 · #342f56

#562f3e · #3e562f

Split-complementary

Open in tool →

#56342f · #51562f

#562f51 · #56472f · #2f5634

Contrast

#2f3e56 as textRatioAAAA largeAAAFix
Aaon white
10.8:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #5b77a4 as the text (4.62:1)
  • AAA: use #8298ba as the text (7.15:1)
  • AA: or shift the background to #a8a8a8 (4.54:1)
  • AAA: or shift the background to #d1d1d1 (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 #2f3e56 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

#2f3e56 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f3e56
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 #2f3e56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f3e56-9ca7c4-df624e-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