Color

#42002a

#42002a
hex#42002a
rgbrgb(66, 0, 42)
hslhsl(322, 100%, 13%)
oklchoklch(0.251 0.105 348.5)
Closest name: Dark Sanctuary (#3f012c)Relative luminance 0.0133

Tints & shades

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

Harmonies

Complementary

Open in tool →

#004218

#390042 · #420009

#2a4200 · #002a42

Split-complementary

Open in tool →

#094200 · #004239

#423900 · #004218 · #000942

Contrast

#42002a as textRatioAAAA largeAAAFix
Aaon white
16.6:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #e0008e as the text (4.56:1)
  • AAA: use #ff4dbe as the text (7.06:1)
  • AA: or shift the background to #878787 (4.62:1)
  • AAA: or shift the background to #ababab (7.23:1)

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

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

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

tool url/palettes/new/42002a-c19fb1-6ecb62-2d1f22-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