Color

#1389dd

#1389dd
hex#1389dd
rgbrgb(19, 137, 221)
hslhsl(205, 84%, 47%)
oklchoklch(0.614 0.158 247.5)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2325

Colors that go with #1389dd

Charcoal, Crimson and Copper lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dd6713

#13ddcc · #1324dd

#dd1389 · #89dd13

Split-complementary

Open in tool →

#dd1324 · #ddcc13

#cc13dd · #dd6713 · #24dd13

Contrast

#1389dd as textRatioAAAA largeAAAFix
Aaon white
3.72:1failpassfail
  • AA: use #117ac5 as the text (4.55:1)
  • AAA: use #0d5a91 as the text (7.27:1)
  • AA: or shift the background to #1c1c1c (4.59:1)
Aaon black
5.65:1passpassfail
  • AAA: use #2c9ced as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1389dd as the background.

Brands using this color

Fonts for this mood

#1389dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1389dd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1389dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1389dd-9cafc4-df4e58-1f212d-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