Color

#3b2136

#3b2136
hex#3b2136
rgbrgb(59, 33, 54)
hslhsl(312, 28%, 18%)
oklchoklch(0.29 0.052 334.1)
Closest name: Castro (#44232f)Relative luminance 0.0228

Tints & shades

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

Harmonies

Complementary

Open in tool →

#213b26

#33213b · #3b2129

#363b21 · #21363b

Split-complementary

Open in tool →

#293b21 · #213b33

#3b3321 · #213b26 · #21293b

Contrast

#3b2136 as textRatioAAAA largeAAAFix
Aaon white
14.42:1passpasspassPasses AAA — no fix needed.
Aaon black
1.46:1failfailfail
  • AA: use #a35c95 as the text (4.52:1)
  • AAA: use #bb86b1 as the text (7.16:1)
  • AA: or shift the background to #919191 (4.57:1)
  • AAA: or shift the background to #b5b5b5 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3b2136 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

#3b2136 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b2136
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 #3b2136 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b2136-c19fb6-80cb62-2d1f24-efe9f1?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