Color

#1d3b86

#1d3b86
hex#1d3b86
rgbrgb(29, 59, 134)
hslhsl(223, 64%, 32%)
oklchoklch(0.377 0.131 264.5)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0511

Tints & shades

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

Harmonies

Complementary

Open in tool →

#86681d

#1d6f86 · #341d86

#861d3b · #3b861d

Split-complementary

Open in tool →

#86341d · #6f861d

#861d6f · #86681d · #1d8634

Contrast

#1d3b86 as textRatioAAAA largeAAAFix
Aaon white
10.39:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #4770d7 as the text (4.57:1)
  • AAA: use #7594e1 as the text (7.08:1)
  • AA: or shift the background to #ababab (4.52:1)
  • AAA: or shift the background to #d4d4d4 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d3b86 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

#1d3b86 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d3b86
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 #1d3b86 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d3b86-9ca3c4-df704e-211f2d-e9eff1?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