Color

#31331f

#31331f
hex#31331f
rgbrgb(49, 51, 31)
hslhsl(66, 24%, 16%)
oklchoklch(0.313 0.033 113)
Closest name: Graphite (#383428)Relative luminance 0.0312

Tints & shades

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

Harmonies

Complementary

Open in tool →

#211f33

#332b1f · #27331f

#1f3133 · #331f31

Split-complementary

Open in tool →

#1f2733 · #2b1f33

#1f332b · #211f33 · #331f27

Contrast

#31331f as textRatioAAAA largeAAAFix
Aaon white
12.93:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #74784a as the text (4.53:1)
  • AAA: use #959b5f as the text (7.13:1)
  • 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 #31331f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#31331f reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #31331f
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 #31331f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31331f-b8bea2-4e86df-262d1f-f1eee9?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