Color

#040e48

#040e48
hex#040e48
rgbrgb(4, 14, 72)
hslhsl(231, 89%, 15%)
oklchoklch(0.209 0.107 266.4)
Closest name: Deadly Depths (#111144)Relative luminance 0.0081

Tints & shades

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

Harmonies

Complementary

Open in tool →

#483e04

#043048 · #1c0448

#48040e · #0e4804

Split-complementary

Open in tool →

#481c04 · #304804

#480430 · #483e04 · #04481c

Contrast

#040e48 as textRatioAAAA largeAAAFix
Aaon white
18.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.16:1failfailfail
  • 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 (4.58:1)
  • AAA: or shift the background to #a3a3a3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #040e48 as the background.

Brands using this color

Fonts for this mood

#040e48 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #040e48
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 #040e48 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/040e48-9c9ec4-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