Color

#090b86

#090b86
hex#090b86
rgbrgb(9, 11, 134)
hslhsl(239, 87%, 28%)
oklchoklch(0.292 0.186 266.4)
Closest name: darkblue (#00008b)Relative luminance 0.0202

Colors that go with #090b86

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#868309

#094986 · #450986

#86090b · #0b8609

Split-complementary

Open in tool →

#864509 · #498609

#860949 · #868309 · #098645

Contrast

#090b86 as textRatioAAAA largeAAAFix
Aaon white
14.96:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #6264f4 as the text (4.65:1)
  • AAA: use #888af7 as the text (7.03:1)
  • AA: or shift the background to #8f8f8f (4.63:1)
  • AAA: or shift the background to #b3b3b3 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #090b86 as the background.

Brands using this color

Fonts for this mood

#090b86 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #090b86
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 #090b86 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/090b86-a09cc4-df964e-251f2d-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