Color

#2e4157

#2e4157
hex#2e4157
rgbrgb(46, 65, 87)
hslhsl(212, 31%, 26%)
oklchoklch(0.369 0.045 252.6)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0505

Colors that go with #2e4157

Dark Olive Green, Teal 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 →

#57442e

#2e5557 · #2f2e57

#572e41 · #41572e

Split-complementary

Open in tool →

#572f2e · #55572e

#572e55 · #57442e · #2e572f

Contrast

#2e4157 as textRatioAAAA largeAAAFix
Aaon white
10.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #5478a0 as the text (4.57:1)
  • AAA: use #7d99ba as the text (7.14:1)
  • AA: or shift the background to #ababab (4.55:1)
  • AAA: or shift the background to #d4d4d4 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e4157 as the background.

Brands using this color

Fonts for this mood

#2e4157 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e4157
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 #2e4157 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e4157-9caac4-df564e-1f202d-e9f1f1?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