Color

#040e1f

#040e1f
hex#040e1f
rgbrgb(4, 14, 31)
hslhsl(218, 77%, 7%)
oklchoklch(0.164 0.04 258)
Closest name: Dark Rift (#060b14)Relative luminance 0.0044

Tints & shades

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

Harmonies

Complementary

Open in tool →

#201604

#041c20 · #080420

#20040e · #0e2004

Split-complementary

Open in tool →

#200804 · #1c2004

#20041c · #201604 · #042008

Contrast

#040e1f as textRatioAAAA largeAAAFix
Aaon white
19.31:1passpasspassPasses AAA — no fix needed.
Aaon black
1.09:1failfailfail
  • AA: use #2f72e4 as the text (4.65:1)
  • AAA: use #6696eb as the text (7.13:1)
  • AA: or shift the background to #7d7d7d (4.69:1)
  • AAA: or shift the background to #9c9c9c (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #040e1f as the background.

Brands using this color

Fonts for this mood

#040e1f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #040e1f
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 #040e1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/040e1f-9ca6c4-df644e-201f2d-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