Color

#1379e7

#1379e7
hex#1379e7
rgbrgb(19, 121, 231)
hslhsl(211, 85%, 49%)
oklchoklch(0.585 0.187 255.5)
Closest name: Azure (#007fff)Relative luminance 0.1958

Colors that go with #1379e7

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 →

#e78013

#13e4e7 · #1613e7

#e71379 · #79e713

Split-complementary

Open in tool →

#e71613 · #e4e713

#e713e4 · #e78013 · #13e716

Contrast

#1379e7 as textRatioAAAA largeAAAFix
Aaon white
4.27:1failpassfail
  • AA: use #1274de as the text (4.59:1)
  • AAA: use #0d57a5 as the text (7.18:1)
  • AA: or shift the background to #0d0d0d (4.55:1)
Aaon black
4.92:1passpassfail
  • AAA: use #4799f0 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1379e7 as the background.

Brands using this color

Fonts for this mood

#1379e7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1379e7
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 #1379e7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1379e7-9cabc4-df534e-1f202d-e9f1f1?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