Color

#2a424b

#2a424b
hex#2a424b
rgbrgb(42, 66, 75)
hslhsl(196, 28%, 23%)
oklchoklch(0.363 0.033 223.5)
Closest name: Charcoal (#36454f)Relative luminance 0.049

Colors that go with #2a424b

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 →

#4b332a

#2a4b43 · #2a324b

#4b2a42 · #424b2a

Split-complementary

Open in tool →

#4b2a32 · #4b432a

#432a4b · #4b332a · #324b2a

Contrast

#2a424b as textRatioAAAA largeAAAFix
Aaon white
10.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.98:1failfailfail
  • AA: use #4f7c8c as the text (4.59:1)
  • AAA: use #6f9dae as the text (7.11:1)
  • AA: or shift the background to #ababab (4.62:1)
  • AAA: or shift the background to #d4d4d4 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a424b as the background.

Brands using this color

Fonts for this mood

#2a424b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a424b
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 #2a424b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a424b-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