Color

#090688

#090688
hex#090688
rgbrgb(9, 6, 136)
hslhsl(241, 92%, 28%)
oklchoklch(0.291 0.191 266.4)
Closest name: darkblue (#00008b)Relative luminance 0.0197

Colors that go with #090688

Crimson, Steel Blue and Charcoal 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 →

#878906

#064589 · #4a0689

#890806 · #068908

Split-complementary

Open in tool →

#894a06 · #458906

#890645 · #878906 · #06894a

Contrast

#090688 as textRatioAAAA largeAAAFix
Aaon white
15.07:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #6562f8 as the text (4.66:1)
  • AAA: use #8b89fa as the text (7.06:1)
  • AA: or shift the background to #8f8f8f (4.66:1)
  • AAA: or shift the background to #b3b3b3 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #090688 as the background.

Brands using this color

Fonts for this mood

#090688 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #090688
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 #090688 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/090688-a19cc4-df9b4e-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