Color

#2e3547

#2e3547
hex#2e3547
rgbrgb(46, 53, 71)
hslhsl(223, 21%, 23%)
oklchoklch(0.33 0.033 268)
Closest name: Astral Nomad (#203943)Relative luminance 0.0358

Colors that go with #2e3547

Dark Olive Green, Sea Green and Sienna 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 →

#47402e

#2e4247 · #342e47

#472e35 · #35472e

Split-complementary

Open in tool →

#47342e · #42472e

#472e42 · #47402e · #2e4734

Contrast

#2e3547 as textRatioAAAA largeAAAFix
Aaon white
12.23:1passpasspassPasses AAA — no fix needed.
Aaon black
1.72:1failfailfail
  • AA: use #65749a as the text (4.52:1)
  • AAA: use #8a95b2 as the text (7.02:1)
  • AA: or shift the background to #9e9e9e (4.57:1)
  • AAA: or shift the background to #c4c4c4 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e3547 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2e3547 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e3547
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 #2e3547 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e3547-9ca3c4-df704e-211f2d-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