Color

#31363a

#31363a
hex#31363a
rgbrgb(49, 54, 58)
hslhsl(207, 8%, 21%)
oklchoklch(0.33 0.01 242)
Closest name: Artist’s Charcoal (#37393e)Relative luminance 0.036

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a3531

#313a39 · #31323a

#3a3136 · #363a31

Split-complementary

Open in tool →

#3a3132 · #3a3931

#39313a · #3a3531 · #323a31

Contrast

#31363a as textRatioAAAA largeAAAFix
Aaon white
12.21:1passpasspassPasses AAA — no fix needed.
Aaon black
1.72:1failfailfail
  • AA: use #6c767f as the text (4.54:1)
  • AAA: use #8e979f as the text (7.08:1)
  • AA: or shift the background to #9e9e9e (4.56:1)
  • AAA: or shift the background to #c4c4c4 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31363a as the background.

Brands using this color

Fonts for this mood

#31363a reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #31363a
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 #31363a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31363a-9cadc4-df4e53-1f212d-e9f1f1?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