Color

#040240

#040240
hex#040240
rgbrgb(4, 2, 64)
hslhsl(242, 94%, 13%)
oklchoklch(0.176 0.111 268.8)
Closest name: Endless Galaxy (#000044)Relative luminance 0.0044

Colors that go with #040240

Blue Violet, Charcoal and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e4002

#021f40 · #230240

#400402 · #024004

Split-complementary

Open in tool →

#402302 · #1f4002

#40021f · #3e4002 · #024023

Contrast

#040240 as textRatioAAAA largeAAAFix
Aaon white
19.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.09:1failfailfail
  • AA: use #6661fa as the text (4.66:1)
  • AAA: use #8c88fb as the text (7.03:1)
  • 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 #040240 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

#040240 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #040240
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #040240 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/040240-a29cc4-df9e4e-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