Color

#040150

#040150
hex#040150
rgbrgb(4, 1, 80)
hslhsl(242, 98%, 16%)
oklchoklch(0.2 0.132 267.2)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.0063

Colors that go with #040150

Charcoal, Crimson and Steel Blue 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.

Real palettes that use #040150

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e5101

#012651 · #2b0151

#510301 · #015103

Split-complementary

Open in tool →

#512b01 · #265101

#510126 · #4e5101 · #01512b

Contrast

#040150 as textRatioAAAA largeAAAFix
Aaon white
18.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #635dfd as the text (4.51:1)
  • AAA: use #8f8bfe as the text (7.29:1)
  • AA: or shift the background to #7d7d7d (4.53:1)
  • AAA: or shift the background to #a1a1a1 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #040150 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

#040150 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #040150
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 #040150 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/040150-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