Color

#2e313e

#2e313e
hex#2e313e
rgbrgb(46, 49, 62)
hslhsl(229, 15%, 21%)
oklchoklch(0.316 0.024 274.8)
Closest name: Nightmare Fuel (#293135)Relative luminance 0.0313

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e3b2e

#2e383e · #332e3e

#3e2e30 · #303e2e

Split-complementary

Open in tool →

#3e332e · #383e2e

#3e2e38 · #3e3b2e · #2e3e33

Contrast

#2e313e as textRatioAAAA largeAAAFix
Aaon white
12.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #6c7393 as the text (4.51:1)
  • AAA: use #9095ad as the text (7.09:1)
  • AA: or shift the background to #999999 (4.54:1)
  • AAA: or shift the background to #bfbfbf (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e313e as the background.

Brands using this color

Fonts for this mood

#2e313e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e313e
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 #2e313e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e313e-9c9fc4-df7e4e-231f2d-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