Color

#1d4b77

#1d4b77
hex#1d4b77
rgbrgb(29, 75, 119)
hslhsl(209, 61%, 29%)
oklchoklch(0.404 0.09 250.2)
Closest name: Blue Funk (#2d4470)Relative luminance 0.0663

Tints & shades

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

Harmonies

Complementary

Open in tool →

#77481d

#1d7776 · #1d1e77

#771d4b · #4b771d

Split-complementary

Open in tool →

#771d1e · #77761d

#761d77 · #77481d · #1e771d

Contrast

#1d4b77 as textRatioAAAA largeAAAFix
Aaon white
9.03:1passpasspassPasses AAA — no fix needed.
Aaon black
2.33:1failfailfail
  • AA: use #2e78bd as the text (4.54:1)
  • AAA: use #5b9bd7 as the text (7.11:1)
  • AA: or shift the background to #b8b8b8 (4.55:1)
  • AAA: or shift the background to #e3e3e3 (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 #1d4b77 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

#1d4b77 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d4b77
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 #1d4b77 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d4b77-9cacc4-df4e4e-1f212d-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