Color

#2a494b

#2a494b
hex#2a494b
rgbrgb(42, 73, 75)
hslhsl(184, 28%, 23%)
oklchoklch(0.382 0.037 201)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0577

Colors that go with #2a494b

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.

Real palettes that use #2a494b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4b2c2a

#2a4b3d · #2a384b

#4b2a49 · #494b2a

Split-complementary

Open in tool →

#4b2a38 · #4b3d2a

#3d2a4b · #4b2c2a · #384b2a

Contrast

#2a494b as textRatioAAAA largeAAAFix
Aaon white
9.75:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #497f83 as the text (4.65:1)
  • AAA: use #5fa0a5 as the text (7.06:1)
  • AA: or shift the background to #b3b3b3 (4.65:1)
  • AAA: or shift the background to #dbdbdb (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a494b as the background.

Brands using this color

Fonts for this mood

#2a494b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a494b
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 #2a494b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a494b-a2b9be-df4e8a-1f262d-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