Color

#42002c

#42002c
hex#42002c
rgbrgb(66, 0, 44)
hslhsl(320, 100%, 13%)
oklchoklch(0.252 0.106 346.6)
Closest name: Dark Sanctuary (#3f012c)Relative luminance 0.0134

Tints & shades

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

Harmonies

Complementary

Open in tool →

#004216

#370042 · #42000b

#2c4200 · #002c42

Split-complementary

Open in tool →

#0b4200 · #004237

#423700 · #004216 · #000b42

Contrast

#42002c as textRatioAAAA largeAAAFix
Aaon white
16.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #e00096 as the text (4.61:1)
  • AAA: use #ff4dc4 as the text (7.11:1)
  • AA: or shift the background to #878787 (4.61:1)
  • AAA: or shift the background to #ababab (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42002c 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

#42002c reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42002c
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 #42002c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42002c-c19fb2-72cb62-2d1f23-f0e9f1?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