Color

#353b41

#353b41
hex#353b41
rgbrgb(53, 59, 65)
hslhsl(210, 10%, 23%)
oklchoklch(0.349 0.013 248.2)
Closest name: Artist’s Charcoal (#37393e)Relative luminance 0.0427

Tints & shades

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

Harmonies

Complementary

Open in tool →

#413b35

#354141 · #353541

#41353b · #3b4135

Split-complementary

Open in tool →

#413535 · #414135

#413541 · #413b35 · #354135

Contrast

#353b41 as textRatioAAAA largeAAAFix
Aaon white
11.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.85:1failfailfail
  • AA: use #6c7884 as the text (4.66:1)
  • AAA: use #8f99a3 as the text (7.25:1)
  • AA: or shift the background to #a6a6a6 (4.65:1)
  • AAA: or shift the background to #cccccc (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #353b41 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

#353b41 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #353b41
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 #353b41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/353b41-9cabc4-df514e-1f202d-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