Color

#040e44

#040e44
hex#040e44
rgbrgb(4, 14, 68)
hslhsl(231, 89%, 14%)
oklchoklch(0.204 0.101 266.4)
Closest name: Deadly Depths (#111144)Relative luminance 0.0076

Tints & shades

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

Harmonies

Complementary

Open in tool →

#433a04

#042d43 · #1a0443

#43040d · #0d4304

Split-complementary

Open in tool →

#431a04 · #2d4304

#43042d · #433a04 · #04431a

Contrast

#040e44 as textRatioAAAA largeAAAFix
Aaon white
18.24:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #4d66f5 as the text (4.53:1)
  • AAA: use #7d8ff7 as the text (7.14:1)
  • AA: or shift the background to #808080 (4.62:1)
  • AAA: or shift the background to #a1a1a1 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #040e44 as the background.

Brands using this color

Fonts for this mood

#040e44 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #040e44
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 #040e44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/040e44-9c9ec4-df834e-231f2d-e9eef1?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