Color

#1d295e

#1d295e
hex#1d295e
rgbrgb(29, 41, 94)
hslhsl(229, 53%, 24%)
oklchoklch(0.304 0.095 270.2)
Closest name: Marine (#042e60)Relative luminance 0.0266

Colors that go with #1d295e

Charcoal, Dark Olive Green and Sea Green 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 →

#5e521d

#1d495e · #311d5e

#5e1d29 · #295e1d

Split-complementary

Open in tool →

#5e311d · #495e1d

#5e1d49 · #5e521d · #1d5e31

Contrast

#1d295e as textRatioAAAA largeAAAFix
Aaon white
13.72:1passpasspassPasses AAA — no fix needed.
Aaon black
1.53:1failfailfail
  • AA: use #5b70cd as the text (4.64:1)
  • AAA: use #8292d9 as the text (7.06:1)
  • AA: or shift the background to #949494 (4.52:1)
  • AAA: or shift the background to #bababa (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d295e 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

#1d295e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d295e
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 #1d295e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d295e-9c9fc4-df7e4e-231f2d-e9eef1?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