Color

#420016

#420016
hex#420016
rgbrgb(66, 0, 22)
hslhsl(340, 100%, 13%)
oklchoklch(0.243 0.097 9)
Closest name: What We Do in the Shadows (#441122)Relative luminance 0.0122

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00422c

#420037 · #420b00

#164200 · #001642

Split-complementary

Open in tool →

#00420b · #003742

#374200 · #00422c · #0b0042

Contrast

#420016 as textRatioAAAA largeAAAFix
Aaon white
16.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #eb004e as the text (4.64:1)
  • AAA: use #ff578f as the text (7.01:1)
  • AA: or shift the background to #858585 (4.58:1)
  • AAA: or shift the background to #a8a8a8 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #420016 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

#420016 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #420016
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 #420016 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/420016-c49ca5-62cb75-2d211f-f1e9f0?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