Color

#2c434e

#2c434e
hex#2c434e
rgbrgb(44, 67, 78)
hslhsl(199, 28%, 24%)
oklchoklch(0.369 0.034 229.4)
Closest name: Charcoal (#36454f)Relative luminance 0.051

Colors that go with #2c434e

Dark Olive Green, Steel Blue and Teal 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 →

#4e372c

#2c4e48 · #2c324e

#4e2c43 · #434e2c

Split-complementary

Open in tool →

#4e2c32 · #4e482c

#482c4e · #4e372c · #324e2c

Contrast

#2c434e as textRatioAAAA largeAAAFix
Aaon white
10.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #517c90 as the text (4.64:1)
  • AAA: use #739db0 as the text (7.18:1)
  • AA: or shift the background to #ababab (4.53:1)
  • AAA: or shift the background to #d4d4d4 (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 #2c434e as the background.

Brands using this color

Fonts for this mood

#2c434e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c434e
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 #2c434e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c434e-9cb3c4-df4e66-1f232d-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