Color

#1349b4

#1349b4
hex#1349b4
rgbrgb(19, 73, 180)
hslhsl(220, 81%, 39%)
oklchoklch(0.444 0.179 262.1)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.082

Colors that go with #1349b4

Charcoal, Crimson and Steel Blue 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 →

#b47e13

#1399b4 · #2e13b4

#b41349 · #49b413

Split-complementary

Open in tool →

#b42e13 · #99b413

#b41399 · #b47e13 · #13b42e

Contrast

#1349b4 as textRatioAAAA largeAAAFix
Aaon white
7.96:1passpasspassPasses AAA — no fix needed.
Aaon black
2.64:1failfailfail
  • AA: use #3471ea as the text (4.7:1)
  • AAA: use #6794ef as the text (7.06:1)
  • AA: or shift the background to #c4c4c4 (4.56:1)
  • AAA: or shift the background to #f2f2f2 (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 #1349b4 as the background.

Brands using this color

Fonts for this mood

#1349b4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1349b4
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 #1349b4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1349b4-9ca5c4-df694e-211f2d-e9f0f1?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