Color

#42012e

#42012e
hex#42012e
rgbrgb(66, 1, 46)
hslhsl(318, 97%, 13%)
oklchoklch(0.254 0.106 344.8)
Closest name: Dark Sanctuary (#3f012c)Relative luminance 0.0138

Tints & shades

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

Harmonies

Complementary

Open in tool →

#014114

#340141 · #41010e

#2e4101 · #012e41

Split-complementary

Open in tool →

#0e4101 · #014134

#413401 · #014114 · #010e41

Contrast

#42012e as textRatioAAAA largeAAAFix
Aaon white
16.46:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #dd039c as the text (4.57:1)
  • AAA: use #fc4fc8 as the text (7.09:1)
  • AA: or shift the background to #878787 (4.58:1)
  • AAA: or shift the background to #ababab (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42012e 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

#42012e reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42012e
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 #42012e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42012e-c19fb3-75cb62-2d1f23-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