Color

#1d3b49

#1d3b49
hex#1d3b49
rgbrgb(29, 59, 73)
hslhsl(199, 43%, 20%)
oklchoklch(0.336 0.043 230.1)
Closest name: Astral Nomad (#203943)Relative luminance 0.0387

Tints & shades

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

Harmonies

Complementary

Open in tool →

#492b1d

#1d4941 · #1d2549

#491d3b · #3b491d

Split-complementary

Open in tool →

#491d25 · #49411d

#411d49 · #492b1d · #25491d

Contrast

#1d3b49 as textRatioAAAA largeAAAFix
Aaon white
11.84:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #3d7c99 as the text (4.54:1)
  • AAA: use #5b9ebe as the text (7.08:1)
  • AA: or shift the background to #a1a1a1 (4.58:1)
  • AAA: or shift the background to #c7c7c7 (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 #1d3b49 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

#1d3b49 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d3b49
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 #1d3b49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d3b49-9cb3c4-df4e66-1f232d-e9f1f0?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