Color

#3b3121

#3b3121
hex#3b3121
rgbrgb(59, 49, 33)
hslhsl(37, 28%, 18%)
oklchoklch(0.319 0.03 79.1)
Closest name: Cola (#3c2f23)Relative luminance 0.0324

Tints & shades

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

Harmonies

Complementary

Open in tool →

#212b3b

#3b2421 · #383b21

#213b31 · #31213b

Split-complementary

Open in tool →

#21383b · #24213b

#213b24 · #212b3b · #3b2138

Contrast

#3b3121 as textRatioAAAA largeAAAFix
Aaon white
12.75:1passpasspassPasses AAA — no fix needed.
Aaon black
1.65:1failfailfail
  • AA: use #89724d as the text (4.58:1)
  • AAA: use #ac946c as the text (7.21:1)
  • AA: or shift the background to #9c9c9c (4.64:1)
  • AAA: or shift the background to #c2c2c2 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3b3121 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#3b3121 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b3121
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 #3b3121 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b3121-c4b99c-62bdcb-2c2d1f-f1eae9?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