Color

#389ec7

#389ec7
hex#389ec7
rgbrgb(56, 158, 199)
hslhsl(197, 56%, 50%)
oklchoklch(0.658 0.11 228.9)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2942

Colors that go with #389ec7

Charcoal, Tomato and Amber 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 →

#c76138

#38c7a8 · #3857c7

#c7389e · #9ec738

Split-complementary

Open in tool →

#c73857 · #c7a838

#a838c7 · #c76138 · #57c738

Contrast

#389ec7 as textRatioAAAA largeAAAFix
Aaon white
3.05:1failpassfail
  • AA: use #2d7f9f as the text (4.52:1)
  • AAA: use #225f77 as the text (7.07:1)
  • AA: or shift the background to #2b2b2b (4.64:1)
Aaon black
6.88:1passpassfail
  • AAA: use #3ca0c8 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #389ec7 as the background.

Brands using this color

Fonts for this mood

#389ec7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #389ec7
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 #389ec7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/389ec7-9cb4c4-df4e6b-1f232d-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