Color

#420b00

#420b00
hex#420b00
rgbrgb(66, 11, 0)
hslhsl(10, 100%, 13%)
oklchoklch(0.251 0.087 35.6)
Closest name: Black Chocolate (#441100)Relative luminance 0.014

Tints & shades

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

Harmonies

Complementary

Open in tool →

#003742

#420016 · #422c00

#00420b · #0b0042

Split-complementary

Open in tool →

#00422c · #001642

#164200 · #003742 · #2c0042

Contrast

#420b00 as textRatioAAAA largeAAAFix
Aaon white
16.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #e62600 as the text (4.64:1)
  • AAA: use #ff6242 as the text (7.08:1)
  • AA: or shift the background to #878787 (4.57:1)
  • AAA: or shift the background to #ababab (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 #420b00 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

#420b00 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #420b00
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 #420b00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/420b00-c4a79c-62cbaa-2d281f-f1e9ec?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