Color

#2a343c

#2a343c
hex#2a343c
rgbrgb(42, 52, 60)
hslhsl(207, 18%, 20%)
oklchoklch(0.319 0.02 242.4)
Closest name: Nightmare Fuel (#293135)Relative luminance 0.0327

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3c322a

#2a3c3b · #2a2b3c

#3c2a34 · #343c2a

Split-complementary

Open in tool →

#3c2a2b · #3c3b2a

#3b2a3c · #3c322a · #2b3c2a

Contrast

#2a343c as textRatioAAAA largeAAAFix
Aaon white
12.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.65:1failfailfail
  • AA: use #60778a as the text (4.5:1)
  • AAA: use #8498a9 as the text (7.05:1)
  • AA: or shift the background to #9c9c9c (4.62:1)
  • AAA: or shift the background to #c2c2c2 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a343c as the background.

Brands using this color

Fonts for this mood

#2a343c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a343c
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2a343c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a343c-9cadc4-df4e53-1f212d-e9f1f1?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