Color

#40034f

#40034f
hex#40034f
rgbrgb(64, 3, 79)
hslhsl(288, 93%, 16%)
oklchoklch(0.276 0.129 318.1)
Closest name: Romanic Scene (#3b0346)Relative luminance 0.0172

Colors that go with #40034f

Blue, 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 →

#124f03

#1a034f · #4f0338

#4f4003 · #034f40

Split-complementary

Open in tool →

#384f03 · #034f1a

#4f1a03 · #124f03 · #03384f

Contrast

#40034f as textRatioAAAA largeAAAFix
Aaon white
15.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #c309f1 as the text (4.63:1)
  • AAA: use #db62f9 as the text (7.13:1)
  • AA: or shift the background to #8a8a8a (4.53:1)
  • AAA: or shift the background to #b0b0b0 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40034f 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

#40034f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40034f
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 #40034f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40034f-be9fc1-aacb62-2d1f2a-ece9f1?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