Color

#42011c

#42011c
hex#42011c
rgbrgb(66, 1, 28)
hslhsl(335, 97%, 13%)
oklchoklch(0.246 0.097 3.1)
Closest name: What We Do in the Shadows (#441122)Relative luminance 0.0126

Tints & shades

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

Harmonies

Complementary

Open in tool →

#014127

#41013c · #410601

#1c4101 · #011c41

Split-complementary

Open in tool →

#014106 · #013c41

#3c4101 · #014127 · #060141

Contrast

#42011c as textRatioAAAA largeAAAFix
Aaon white
16.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #e70462 as the text (4.59:1)
  • AAA: use #fc599d as the text (7.05:1)
  • AA: or shift the background to #858585 (4.54:1)
  • AAA: or shift the background to #a8a8a8 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42011c 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

#42011c reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42011c
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 #42011c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42011c-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