Color

#1387aa

#1387aa
hex#1387aa
rgbrgb(19, 135, 170)
hslhsl(194, 80%, 37%)
oklchoklch(0.581 0.106 225.3)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.2037

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa3613

#13aa82 · #133baa

#aa1387 · #87aa13

Split-complementary

Open in tool →

#aa133b · #aa8213

#8213aa · #aa3613 · #3baa13

Contrast

#1387aa as textRatioAAAA largeAAAFix
Aaon white
4.14:1failpassfail
  • AA: use #127fa1 as the text (4.59:1)
  • AAA: use #0d5f77 as the text (7.19:1)
  • AA: or shift the background to #121212 (4.53:1)
Aaon black
5.07:1passpassfail
  • AAA: use #17a4cf as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1387aa as the background.

Brands using this color

Fonts for this mood

#1387aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1387aa
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 #1387aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1387aa-9cb6c4-df4e72-1f242d-e9f1ef?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