Color

#1d355d

#1d355d
hex#1d355d
rgbrgb(29, 53, 93)
hslhsl(218, 52%, 24%)
oklchoklch(0.332 0.077 260.1)
Closest name: Beyond the Stars (#0a3251)Relative luminance 0.036

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5d461d

#1d555d · #261d5d

#5d1d35 · #355d1d

Split-complementary

Open in tool →

#5d261d · #555d1d

#5d1d55 · #5d461d · #1d5d26

Contrast

#1d355d as textRatioAAAA largeAAAFix
Aaon white
12.21:1passpasspassPasses AAA — no fix needed.
Aaon black
1.72:1failfailfail
  • AA: use #4574c4 as the text (4.55:1)
  • AAA: use #7396d3 as the text (7.03:1)
  • AA: or shift the background to #9e9e9e (4.56:1)
  • AAA: or shift the background to #c4c4c4 (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 #1d355d 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

#1d355d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d355d
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 #1d355d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d355d-9ca6c4-df644e-201f2d-e9f0f1?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