Color

#2d4a80

#2d4a80
hex#2d4a80
rgbrgb(45, 74, 128)
hslhsl(219, 48%, 34%)
oklchoklch(0.415 0.097 261.8)
Closest name: Assassin (#2d4f83)Relative luminance 0.0701

Colors that go with #2d4a80

Sea Green, Steel Blue and 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 →

#80632d

#2d7480 · #3a2d80

#802d4a · #4a802d

Split-complementary

Open in tool →

#803a2d · #74802d

#802d74 · #80632d · #2d803a

Contrast

#2d4a80 as textRatioAAAA largeAAAFix
Aaon white
8.74:1passpasspassPasses AAA — no fix needed.
Aaon black
2.4:1failfailfail
  • AA: use #4e76c1 as the text (4.69:1)
  • AAA: use #7796cf as the text (7.05:1)
  • AA: or shift the background to #bababa (4.5:1)
  • AAA: or shift the background to #e6e6e6 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d4a80 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

#2d4a80 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d4a80
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 #2d4a80 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d4a80-9ca5c4-df664e-211f2d-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