Color

#2c4d59

#2c4d59
hex#2c4d59
rgbrgb(44, 77, 89)
hslhsl(196, 34%, 26%)
oklchoklch(0.4 0.044 223.3)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0656

Colors that go with #2c4d59

Steel Blue, 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 →

#59382c

#2c594e · #2c3659

#592c4d · #4d592c

Split-complementary

Open in tool →

#592c36 · #594e2c

#4e2c59 · #59382c · #36592c

Contrast

#2c4d59 as textRatioAAAA largeAAAFix
Aaon white
9.08:1passpasspassPasses AAA — no fix needed.
Aaon black
2.31:1failfailfail
  • AA: use #477c90 as the text (4.55:1)
  • AAA: use #659eb3 as the text (7.1:1)
  • AA: or shift the background to #b8b8b8 (4.58:1)
  • AAA: or shift the background to #e3e3e3 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c4d59 as the background.

Brands using this color

Fonts for this mood

#2c4d59 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c4d59
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 #2c4d59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c4d59-9cb5c4-df4e6e-1f232d-e9f1ef?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