Color

#2d343e

#2d343e
hex#2d343e
rgbrgb(45, 52, 62)
hslhsl(215, 16%, 21%)
oklchoklch(0.323 0.02 257.3)
Closest name: Nightmare Fuel (#293135)Relative luminance 0.0336

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e372d

#2d3d3e · #2e2d3e

#3e2d34 · #343e2d

Split-complementary

Open in tool →

#3e2e2d · #3d3e2d

#3e2d3d · #3e372d · #2d3e2e

Contrast

#2d343e as textRatioAAAA largeAAAFix
Aaon white
12.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #67778e as the text (4.61:1)
  • AAA: use #8c99ab as the text (7.26:1)
  • AA: or shift the background to #9c9c9c (4.57:1)
  • AAA: or shift the background to #c2c2c2 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d343e as the background.

Brands using this color

Fonts for this mood

#2d343e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d343e
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 #2d343e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d343e-9ca8c4-df5d4e-201f2d-e9f0f1?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