Color

#290674

#290674
hex#290674
rgbrgb(41, 6, 116)
hslhsl(259, 90%, 24%)
oklchoklch(0.285 0.16 284.1)
Closest name: Child of the Night (#220077)Relative luminance 0.0186

Colors that go with #290674

Charcoal, Royal Blue and Cobalt 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#517406

#061a74 · #600674

#742906 · #067429

Split-complementary

Open in tool →

#746006 · #1a7406

#74061a · #517406 · #067460

Contrast

#290674 as textRatioAAAA largeAAAFix
Aaon white
15.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #8551f6 as the text (4.51:1)
  • AAA: use #a781f8 as the text (7.14:1)
  • AA: or shift the background to #8c8c8c (4.55:1)
  • AAA: or shift the background to #b0b0b0 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #290674 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

#290674 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #290674
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 #290674 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/290674-ad9cc4-dfc74e-2a1f2d-e9ebf1?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