Color

#2e3c61

#2e3c61
hex#2e3c61
rgbrgb(46, 60, 97)
hslhsl(224, 36%, 28%)
oklchoklch(0.362 0.067 267.3)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0468

Colors that go with #2e3c61

Sea Green, Steel Blue and Dark Olive Green 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 →

#61532e

#2e5561 · #3a2e61

#612e3b · #3b612e

Split-complementary

Open in tool →

#613a2e · #55612e

#612e55 · #61532e · #2e613a

Contrast

#2e3c61 as textRatioAAAA largeAAAFix
Aaon white
10.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #5c73b2 as the text (4.55:1)
  • AAA: use #8697c6 as the text (7.26:1)
  • AA: or shift the background to #a8a8a8 (4.56:1)
  • AAA: or shift the background to #d1d1d1 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e3c61 as the background.

Brands using this color

Fonts for this mood

#2e3c61 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e3c61
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 #2e3c61 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e3c61-9ca2c4-df724e-221f2d-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