Color

#420107

#420107
hex#420107
rgbrgb(66, 1, 7)
hslhsl(354, 97%, 13%)
oklchoklch(0.24 0.095 23.2)
Closest name: English Breakfast (#441111)Relative luminance 0.012

Colors that go with #420107

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 →

#01413b

#410128 · #411b01

#074101 · #010741

Split-complementary

Open in tool →

#01411b · #012841

#284101 · #01413b · #1b0141

Contrast

#420107 as textRatioAAAA largeAAAFix
Aaon white
16.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #ec041b as the text (4.6:1)
  • AAA: use #fd5e6e as the text (7:1)
  • AA: or shift the background to #858585 (4.59:1)
  • AAA: or shift the background to #a8a8a8 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #420107 as the background.

Brands using this color

Fonts for this mood

#420107 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #420107
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 #420107 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/420107-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