Color

#420007

#420007
hex#420007
rgbrgb(66, 0, 7)
hslhsl(354, 100%, 13%)
oklchoklch(0.239 0.097 22.7)
Closest name: English Breakfast (#441111)Relative luminance 0.0117

Colors that go with #420007

Charcoal, Royal Blue and Sienna lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00423c

#420028 · #421b00

#074200 · #000742

Split-complementary

Open in tool →

#00421b · #002842

#284200 · #00423c · #1b0042

Contrast

#420007 as textRatioAAAA largeAAAFix
Aaon white
17.01:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #eb0017 as the text (4.54:1)
  • AAA: use #ff6171 as the text (7.2:1)
  • AA: or shift the background to #858585 (4.61:1)
  • AAA: or shift the background to #a8a8a8 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #420007 as the background.

Brands using this color

Fonts for this mood

#420007 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #420007
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #420007 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/420007-c49d9c-62cb8e-2d241f-f1e9ee?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