Color

#040047

#040047
hex#040047
rgbrgb(4, 0, 71)
hslhsl(243, 100%, 14%)
oklchoklch(0.183 0.122 268)
Closest name: Endless Galaxy (#000044)Relative luminance 0.0048

Tints & shades

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

Harmonies

Complementary

Open in tool →

#444700

#002047 · #270047

#470400 · #004704

Split-complementary

Open in tool →

#472700 · #204700

#470020 · #444700 · #004727

Contrast

#040047 as textRatioAAAA largeAAAFix
Aaon white
19.16:1passpasspassPasses AAA — no fix needed.
Aaon black
1.1:1failfailfail
  • AA: use #645cff as the text (4.52:1)
  • AAA: use #908aff as the text (7.27:1)
  • AA: or shift the background to #7d7d7d (4.65:1)
  • AAA: or shift the background to #9e9e9e (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #040047 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#040047 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #040047
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 #040047 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/040047-a39cc4-dfa04e-261f2d-e9edf1?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