Color

#1a2d60

#1a2d60
hex#1a2d60
rgbrgb(26, 45, 96)
hslhsl(224, 57%, 24%)
oklchoklch(0.313 0.094 265.8)
Closest name: Marine (#042e60)Relative luminance 0.0294

Colors that go with #1a2d60

Dark Olive Green, Sea Green 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#604d1a

#1a5060 · #2b1a60

#601a2d · #2d601a

Split-complementary

Open in tool →

#602b1a · #50601a

#601a50 · #604d1a · #1a602b

Contrast

#1a2d60 as textRatioAAAA largeAAAFix
Aaon white
13.22:1passpasspassPasses AAA — no fix needed.
Aaon black
1.59:1failfailfail
  • AA: use #4f71cf as the text (4.6:1)
  • AAA: use #7b94db as the text (7.1:1)
  • AA: or shift the background to #999999 (4.64:1)
  • AAA: or shift the background to #bdbdbd (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a2d60 as the background.

Brands using this color

Fonts for this mood

#1a2d60 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a2d60
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 #1a2d60 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a2d60-9ca2c4-df724e-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