Color

#2d2e39

#2d2e39
hex#2d2e39
rgbrgb(45, 46, 57)
hslhsl(235, 12%, 20%)
oklchoklch(0.305 0.02 281.1)
Closest name: Haiti (#2c2a35)Relative luminance 0.0281

Tints & shades

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

Harmonies

Complementary

Open in tool →

#39382d

#2d3439 · #322d39

#392d2e · #2e392d

Split-complementary

Open in tool →

#39322d · #34392d

#392d34 · #39382d · #2d3932

Contrast

#2d2e39 as textRatioAAAA largeAAAFix
Aaon white
13.45:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #70738f as the text (4.54:1)
  • AAA: use #9294aa as the text (7.04:1)
  • AA: or shift the background to #969696 (4.55:1)
  • AAA: or shift the background to #bdbdbd (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 #2d2e39 as the background.

Brands using this color

Fonts for this mood

#2d2e39 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d2e39
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 #2d2e39 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d2e39-9e9cc4-df8d4e-241f2d-e9eef1?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