Color

#03095e

#03095e
hex#03095e
rgbrgb(3, 9, 94)
hslhsl(236, 94%, 19%)
oklchoklch(0.231 0.142 265.7)
Closest name: Alone in the Dark (#000066)Relative luminance 0.0102

Colors that go with #03095e

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 #03095e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e5803

#03375e · #2a035e

#5e0309 · #095e03

Split-complementary

Open in tool →

#5e2a03 · #375e03

#5e0337 · #5e5803 · #035e2a

Contrast

#03095e as textRatioAAAA largeAAAFix
Aaon white
17.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.2:1failfailfail
  • AA: use #5762fa as the text (4.53:1)
  • AAA: use #838bfb as the text (7.05:1)
  • AA: or shift the background to #828282 (4.54:1)
  • AAA: or shift the background to #a6a6a6 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03095e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#03095e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03095e
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 #03095e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03095e-9e9cc4-df8f4e-241f2d-e9eef1?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