Color

#305182

#305182
hex#305182
rgbrgb(48, 81, 130)
hslhsl(216, 46%, 35%)
oklchoklch(0.434 0.09 258.1)
Closest name: Assassin (#2d4f83)Relative luminance 0.0812

Colors that go with #305182

Sea Green, Blue and Cornflower 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 →

#826130

#307a82 · #383082

#823051 · #518230

Split-complementary

Open in tool →

#823830 · #7a8230

#82307a · #826130 · #308238

Contrast

#305182 as textRatioAAAA largeAAAFix
Aaon white
8:1passpasspassPasses AAA — no fix needed.
Aaon black
2.62:1failfailfail
  • AA: use #4977bc as the text (4.65:1)
  • AAA: use #7598cc as the text (7.12:1)
  • AA: or shift the background to #c4c4c4 (4.59:1)
  • AAA: or shift the background to #f0f0f0 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #305182 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#305182 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #305182
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 #305182 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/305182-9ca7c4-df5f4e-201f2d-e9f0f1?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