Color

#35313f

#35313f
hex#35313f
rgbrgb(53, 49, 63)
hslhsl(257, 13%, 22%)
oklchoklch(0.323 0.025 298.1)
Closest name: Dark Charcoal (#333232)Relative luminance 0.0331

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3b3f31

#31343f · #3c313f

#3f3531 · #313f35

Split-complementary

Open in tool →

#3f3c31 · #343f31

#3f3134 · #3b3f31 · #313f3c

Contrast

#35313f as textRatioAAAA largeAAAFix
Aaon white
12.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.66:1failfailfail
  • AA: use #7b7292 as the text (4.66:1)
  • AAA: use #9992ab as the text (7.05:1)
  • AA: or shift the background to #9c9c9c (4.6:1)
  • AAA: or shift the background to #c2c2c2 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #35313f as the background.

Brands using this color

Fonts for this mood

#35313f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #35313f
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 #35313f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/35313f-ac9cc4-dfc24e-291f2d-e9ebf1?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