Color

#2a414b

#2a414b
hex#2a414b
rgbrgb(42, 65, 75)
hslhsl(198, 28%, 23%)
oklchoklch(0.361 0.033 227)
Closest name: Cold and Dark (#154250)Relative luminance 0.0478

Colors that go with #2a414b

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 →

#4b342a

#2a4b45 · #2a314b

#4b2a41 · #414b2a

Split-complementary

Open in tool →

#4b2a31 · #4b452a

#452a4b · #4b342a · #314b2a

Contrast

#2a414b as textRatioAAAA largeAAAFix
Aaon white
10.74:1passpasspassPasses AAA — no fix needed.
Aaon black
1.96:1failfailfail
  • AA: use #517d90 as the text (4.69:1)
  • AAA: use #739eb0 as the text (7.25:1)
  • AA: or shift the background to #a8a8a8 (4.51:1)
  • AAA: or shift the background to #d1d1d1 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a414b as the background.

Brands using this color

Fonts for this mood

#2a414b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a414b
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 #2a414b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a414b-9cb3c4-df4e69-1f232d-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