Color

#040e15

#040e15
hex#040e15
rgbrgb(4, 14, 21)
hslhsl(205, 68%, 5%)
oklchoklch(0.157 0.023 237)
Closest name: Dark Rift (#060b14)Relative luminance 0.0039

Tints & shades

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

Harmonies

Complementary

Open in tool →

#150b04

#041514 · #040615

#15040e · #0e1504

Split-complementary

Open in tool →

#150406 · #151404

#140415 · #150b04 · #061504

Contrast

#040e15 as textRatioAAAA largeAAAFix
Aaon white
19.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.08:1failfailfail
  • AA: use #237ab8 as the text (4.55:1)
  • AAA: use #439cdb as the text (7.02:1)
  • AA: or shift the background to #7a7a7a (4.53:1)
  • AAA: or shift the background to #9c9c9c (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #040e15 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#040e15 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #040e15
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 #040e15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/040e15-9cafc4-df4e58-1f212d-e9f1f0?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