Color

#1d4e86

#1d4e86
hex#1d4e86
rgbrgb(29, 78, 134)
hslhsl(212, 64%, 32%)
oklchoklch(0.421 0.107 254.1)
Closest name: Assassin (#2d4f83)Relative luminance 0.0743

Tints & shades

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

Harmonies

Complementary

Open in tool →

#86551d

#1d8286 · #211d86

#861d4e · #4e861d

Split-complementary

Open in tool →

#86211d · #82861d

#861d82 · #86551d · #1d8621

Contrast

#1d4e86 as textRatioAAAA largeAAAFix
Aaon white
8.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.49:1failfailfail
  • AA: use #2d78cd as the text (4.68:1)
  • AAA: use #609adc as the text (7.15:1)
  • AA: or shift the background to #bfbfbf (4.59:1)
  • AAA: or shift the background to #ebebeb (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d4e86 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

#1d4e86 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d4e86
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1d4e86 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d4e86-9caac4-df564e-1f202d-e9f1f1?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