Color

#090b49

#090b49
hex#090b49
rgbrgb(9, 11, 73)
hslhsl(238, 78%, 16%)
oklchoklch(0.209 0.11 270.5)
Closest name: Deadly Depths (#111144)Relative luminance 0.0078

Colors that go with #090b49

Blue Violet, Charcoal and Rust 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 →

#494709

#092b49 · #270949

#49090b · #0b4909

Split-complementary

Open in tool →

#492709 · #2b4909

#49092b · #494709 · #094927

Contrast

#090b49 as textRatioAAAA largeAAAFix
Aaon white
18.17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.16:1failfailfail
  • AA: use #6065eb as the text (4.56:1)
  • AAA: use #898cf0 as the text (7.07:1)
  • AA: or shift the background to #808080 (4.6:1)
  • AAA: or shift the background to #a1a1a1 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #090b49 as the background.

Brands using this color

Fonts for this mood

#090b49 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #090b49
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 #090b49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/090b49-9f9cc4-df944e-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