Color

#2b343b

#2b343b
hex#2b343b
rgbrgb(43, 52, 59)
hslhsl(206, 16%, 20%)
oklchoklch(0.32 0.018 241.5)
Closest name: Nightmare Fuel (#293135)Relative luminance 0.0329

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3b322b

#2b3b3a · #2b2c3b

#3b2b34 · #343b2b

Split-complementary

Open in tool →

#3b2b2c · #3b3a2b

#3a2b3b · #3b322b · #2c3b2b

Contrast

#2b343b as textRatioAAAA largeAAAFix
Aaon white
12.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.66:1failfailfail
  • AA: use #637888 as the text (4.57:1)
  • AAA: use #8699a7 as the text (7.13:1)
  • AA: or shift the background to #9c9c9c (4.62:1)
  • AAA: or shift the background to #c2c2c2 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b343b as the background.

Brands using this color

Fonts for this mood

#2b343b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b343b
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 #2b343b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b343b-9caec4-df4e56-1f212d-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