Color

#1383cd

#1383cd
hex#1383cd
rgbrgb(19, 131, 205)
hslhsl(204, 83%, 44%)
oklchoklch(0.59 0.145 245.6)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.2078

Colors that go with #1383cd

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 →

#cd5e13

#13cdbb · #1326cd

#cd1383 · #83cd13

Split-complementary

Open in tool →

#cd1326 · #cdbb13

#bb13cd · #cd5e13 · #26cd13

Contrast

#1383cd as textRatioAAAA largeAAAFix
Aaon white
4.07:1failpassfail
  • AA: use #127abf as the text (4.6:1)
  • AAA: use #0d5c91 as the text (7.1:1)
  • AA: or shift the background to #141414 (4.52:1)
Aaon black
5.16:1passpassfail
  • AAA: use #289deb as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1383cd as the background.

Brands using this color

Fonts for this mood

#1383cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1383cd
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 #1383cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1383cd-9cafc4-df4e5a-1f222d-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