Color

#304c6e

#304c6e
hex#304c6e
rgbrgb(48, 76, 110)
hslhsl(213, 39%, 31%)
oklchoklch(0.41 0.067 254)
Closest name: Bluedgeons (#324c64)Relative luminance 0.0692

Colors that go with #304c6e

Teal, Blue and Cadet 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 →

#6e5230

#306b6e · #33306e

#6e304c · #4c6e30

Split-complementary

Open in tool →

#6e3330 · #6b6e30

#6e306b · #6e5230 · #306e33

Contrast

#304c6e as textRatioAAAA largeAAAFix
Aaon white
8.81:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #4c78ae as the text (4.61:1)
  • AAA: use #7598c2 as the text (7.03:1)
  • AA: or shift the background to #bababa (4.54:1)
  • AAA: or shift the background to #e6e6e6 (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 #304c6e as the background.

Brands using this color

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

Fonts for this mood

#304c6e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #304c6e
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 #304c6e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/304c6e-9ca9c4-df584e-1f202d-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