Color

#353a41

#353a41
hex#353a41
rgbrgb(53, 58, 65)
hslhsl(215, 10%, 23%)
oklchoklch(0.346 0.014 256.8)
Closest name: Artist’s Charcoal (#37393e)Relative luminance 0.0416

Tints & shades

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

Harmonies

Complementary

Open in tool →

#413c35

#354041 · #363541

#41353a · #3a4135

Split-complementary

Open in tool →

#413635 · #404135

#413540 · #413c35 · #354136

Contrast

#353a41 as textRatioAAAA largeAAAFix
Aaon white
11.46:1passpasspassPasses AAA — no fix needed.
Aaon black
1.83:1failfailfail
  • AA: use #6c7684 as the text (4.56:1)
  • AAA: use #8f97a3 as the text (7.12:1)
  • AA: or shift the background to #a3a3a3 (4.54:1)
  • AAA: or shift the background to #cccccc (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #353a41 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

#353a41 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #353a41
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 #353a41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/353a41-9ca8c4-df5d4e-201f2d-e9f0f1?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