Color

#33333d

#33333d
hex#33333d
rgbrgb(51, 51, 61)
hslhsl(240, 9%, 22%)
oklchoklch(0.325 0.018 285.4)
Closest name: Dark Charcoal (#333232)Relative luminance 0.0341

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d3d33

#33383d · #38333d

#3d3333 · #333d33

Split-complementary

Open in tool →

#3d3833 · #383d33

#3d3338 · #3d3d33 · #333d38

Contrast

#33333d as textRatioAAAA largeAAAFix
Aaon white
12.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.68:1failfailfail
  • AA: use #74748b as the text (4.61:1)
  • AAA: use #9595a7 as the text (7.13:1)
  • AA: or shift the background to #9c9c9c (4.55:1)
  • AAA: or shift the background to #c2c2c2 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #33333d as the background.

Brands using this color

Fonts for this mood

#33333d reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33333d
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 #33333d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33333d-a19cc4-df994e-251f2d-e9edf1?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