Color

#312933

#312933
hex#312933
rgbrgb(49, 41, 51)
hslhsl(288, 11%, 18%)
oklchoklch(0.294 0.021 319.5)
Closest name: Melanzane (#342931)Relative luminance 0.0248

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b3329

#2c2933 · #332930

#333129 · #293331

Split-complementary

Open in tool →

#303329 · #29332c

#332c29 · #2b3329 · #293033

Contrast

#312933 as textRatioAAAA largeAAAFix
Aaon white
14.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #856f8b as the text (4.64:1)
  • AAA: use #a291a6 as the text (7.14:1)
  • AA: or shift the background to #949494 (4.63:1)
  • AAA: or shift the background to #b8b8b8 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #312933 as the background.

Brands using this color

Fonts for this mood

#312933 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #312933
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 #312933 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/312933-be9fc1-aacb62-2d1f2a-ece9f1?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