Color

#3b021a

#3b021a
hex#3b021a
rgbrgb(59, 2, 26)
hslhsl(335, 93%, 12%)
oklchoklch(0.231 0.089 1.7)
Closest name: Vienna Roast (#330022)Relative luminance 0.0105

Tints & shades

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

Harmonies

Complementary

Open in tool →

#023b23

#3b0236 · #3b0702

#1a3b02 · #021a3b

Split-complementary

Open in tool →

#023b07 · #02363b

#363b02 · #023b23 · #07023b

Contrast

#3b021a as textRatioAAAA largeAAAFix
Aaon white
17.36:1passpasspassPasses AAA — no fix needed.
Aaon black
1.21:1failfailfail
  • AA: use #e70865 as the text (4.62:1)
  • AAA: use #f95d9e as the text (7.09:1)
  • AA: or shift the background to #828282 (4.52:1)
  • AAA: or shift the background to #a6a6a6 (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 #3b021a 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

#3b021a reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b021a
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 #3b021a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b021a-c49ca8-62cb6d-2d201f-f1e9f0?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