Color

#2a3d47

#2a3d47
hex#2a3d47
rgbrgb(42, 61, 71)
hslhsl(201, 26%, 22%)
oklchoklch(0.348 0.03 231.7)
Closest name: Sunken Harbour (#1c3d44)Relative luminance 0.0428

Colors that go with #2a3d47

Amber, Blue and Blush Pink lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#47342a

#2a4742 · #2a2e47

#472a3c · #3c472a

Split-complementary

Open in tool →

#472a2e · #47422a

#422a47 · #47342a · #2e472a

Contrast

#2a3d47 as textRatioAAAA largeAAAFix
Aaon white
11.31:1passpasspassPasses AAA — no fix needed.
Aaon black
1.86:1failfailfail
  • AA: use #557c91 as the text (4.68:1)
  • AAA: use #789cb0 as the text (7.18:1)
  • AA: or shift the background to #a6a6a6 (4.65:1)
  • AAA: or shift the background to #cccccc (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a3d47 as the background.

Brands using this color

Fonts for this mood

#2a3d47 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a3d47
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #2a3d47 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a3d47-9cb1c4-df4e62-1f222d-e9f1f0?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