Color

#04070b

#04070b
hex#04070b
rgbrgb(4, 7, 11)
hslhsl(214, 47%, 3%)
oklchoklch(0.126 0.012 248.9)
Closest name: Eight Ball (#03050a)Relative luminance 0.002

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b0804

#040b0b · #05040b

#0b0407 · #070b04

Split-complementary

Open in tool →

#0b0504 · #0b0b04

#0b040b · #0b0804 · #040b05

Contrast

#04070b as textRatioAAAA largeAAAFix
Aaon white
20.18:1passpasspassPasses AAA — no fix needed.
Aaon black
1.04:1failfailfail
  • AA: use #4478bb as the text (4.65:1)
  • AAA: use #7198cc as the text (7.07:1)
  • AA: or shift the background to #787878 (4.57:1)
  • AAA: or shift the background to #999999 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04070b as the background.

Brands using this color

Fonts for this mood

#04070b reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04070b
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 #04070b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04070b-9ca9c4-df5a4e-1f1f2d-e9f0f1?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