Color

#1e3d80

#1e3d80
hex#1e3d80
rgbrgb(30, 61, 128)
hslhsl(221, 62%, 31%)
oklchoklch(0.377 0.119 263.2)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0517

Tints & shades

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

Harmonies

Complementary

Open in tool →

#80611e

#1e6e80 · #301e80

#801e3d · #3d801e

Split-complementary

Open in tool →

#80301e · #6e801e

#801e6e · #80611e · #1e8030

Contrast

#1e3d80 as textRatioAAAA largeAAAFix
Aaon white
10.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #4572d3 as the text (4.6:1)
  • AAA: use #7395de as the text (7.08:1)
  • AA: or shift the background to #adadad (4.6:1)
  • AAA: or shift the background to #d6d6d6 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e3d80 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

#1e3d80 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e3d80
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 #1e3d80 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e3d80-9ca4c4-df6b4e-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