Color

#304073

#304073
hex#304073
rgbrgb(48, 64, 115)
hslhsl(226, 41%, 32%)
oklchoklch(0.385 0.089 268.8)
Closest name: Blue Funk (#2d4470)Relative luminance 0.0553

Colors that go with #304073

Steel Blue, Blue and Crimson 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 →

#736330

#306173 · #423073

#733040 · #407330

Split-complementary

Open in tool →

#734230 · #617330

#733061 · #736330 · #307342

Contrast

#304073 as textRatioAAAA largeAAAFix
Aaon white
9.97:1passpasspassPasses AAA — no fix needed.
Aaon black
2.11:1failfailfail
  • AA: use #5d73bb as the text (4.64:1)
  • AAA: use #8595cc as the text (7.17:1)
  • AA: or shift the background to #b0b0b0 (4.6:1)
  • AAA: or shift the background to #d9d9d9 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #304073 as the background.

Brands using this color

Fonts for this mood

#304073 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #304073
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 #304073 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/304073-9ca1c4-df774e-221f2d-e9eff1?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