Color

#040b06

#040b06
hex#040b06
rgbrgb(4, 11, 6)
hslhsl(137, 47%, 3%)
oklchoklch(0.139 0.018 154.8)
Closest name: Blackn’t (#020f03)Relative luminance 0.0028

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b0409

#060b04 · #040b0a

#06040b · #0b0604

Split-complementary

Open in tool →

#0a040b · #0b0406

#04060b · #0b0409 · #0b0a04

Contrast

#040b06 as textRatioAAAA largeAAAFix
Aaon white
19.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.06:1failfailfail
  • AA: use #318749 as the text (4.69:1)
  • AAA: use #3da95b as the text (7.02:1)
  • AA: or shift the background to #787878 (4.51:1)
  • AAA: or shift the background to #9c9c9c (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #040b06 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#040b06 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #040b06
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 #040b06 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/040b06-a2bead-bb59d4-1f2d29-ebf1e9?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