Color

#36313f

#36313f
hex#36313f
rgbrgb(54, 49, 63)
hslhsl(261, 13%, 22%)
oklchoklch(0.324 0.025 301.3)
Closest name: Dark Charcoal (#333232)Relative luminance 0.0334

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a3f31

#31333f · #3d313f

#3f3631 · #313f36

Split-complementary

Open in tool →

#3f3d31 · #333f31

#3f3133 · #3a3f31 · #313f3d

Contrast

#36313f as textRatioAAAA largeAAAFix
Aaon white
12.59:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #7b6f90 as the text (4.52:1)
  • AAA: use #9a92ab as the text (7.07:1)
  • AA: or shift the background to #9c9c9c (4.59:1)
  • AAA: or shift the background to #c2c2c2 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #36313f as the background.

Brands using this color

Fonts for this mood

#36313f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #36313f
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 #36313f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/36313f-af9cc4-dfcb4e-2a1f2d-e9eaf1?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