Color

#3d293b

#3d293b
hex#3d293b
rgbrgb(61, 41, 59)
hslhsl(306, 20%, 20%)
oklchoklch(0.312 0.042 330)
Closest name: Castro (#44232f)Relative luminance 0.0289

Tints & shades

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

Harmonies

Complementary

Open in tool →

#293d2b

#35293d · #3d2931

#3b3d29 · #293b3d

Split-complementary

Open in tool →

#313d29 · #293d35

#3d3529 · #293d2b · #29313d

Contrast

#3d293b as textRatioAAAA largeAAAFix
Aaon white
13.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.58:1failfailfail
  • AA: use #966491 as the text (4.53:1)
  • AAA: use #b18bae as the text (7.17:1)
  • AA: or shift the background to #999999 (4.67:1)
  • AAA: or shift the background to #bdbdbd (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d293b 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

#3d293b reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d293b
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 #3d293b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d293b-c19fb9-8acb62-2d1f26-eee9f1?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