Color

#040406

#040406
hex#040406
rgbrgb(4, 4, 6)
hslhsl(240, 20%, 2%)
oklchoklch(0.108 0.007 285.2)
Closest name: Eight Ball (#03050a)Relative luminance 0.0013

Tints & shades

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

Harmonies

Complementary

Open in tool →

#060604

#040506 · #050406

#060404 · #040604

Split-complementary

Open in tool →

#060504 · #050604

#060405 · #060604 · #040605

Contrast

#040406 as textRatioAAAA largeAAAFix
Aaon white
20.48:1passpasspassPasses AAA — no fix needed.
Aaon black
1.03:1failfailfail
  • AA: use #7272a1 as the text (4.64:1)
  • AAA: use #9494b8 as the text (7.19:1)
  • AA: or shift the background to #787878 (4.64:1)
  • AAA: or shift the background to #999999 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #040406 as the background.

Brands using this color

Fonts for this mood

#040406 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #040406
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 #040406 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/040406-a19cc4-df994e-251f2d-e9edf1?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