Color

#2a545a

#2a545a
hex#2a545a
rgbrgb(42, 84, 90)
hslhsl(188, 36%, 26%)
oklchoklch(0.418 0.048 207.6)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0757

Colors that go with #2a545a

Teal, Rust and Blue 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.

Real palettes that use #2a545a

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#5a312a

#2a5a49 · #2a3c5a

#5a2a54 · #545a2a

Split-complementary

Open in tool →

#5a2a3c · #5a492a

#492a5a · #5a312a · #3c5a2a

Contrast

#2a545a as textRatioAAAA largeAAAFix
Aaon white
8.35:1passpasspassPasses AAA — no fix needed.
Aaon black
2.51:1failfailfail
  • AA: use #407e87 as the text (4.55:1)
  • AAA: use #52a1ad as the text (7.06:1)
  • AA: or shift the background to #bfbfbf (4.54:1)
  • AAA: or shift the background to #ebebeb (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 #2a545a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#2a545a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a545a
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 #2a545a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a545a-a2b7be-df4e81-1f252d-e9f1ee?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