Color

#396dd5

#396dd5
hex#396dd5
rgbrgb(57, 109, 213)
hslhsl(220, 65%, 53%)
oklchoklch(0.556 0.17 262.3)
Closest name: God of Rain (#4466cc)Relative luminance 0.1661

Colors that go with #396dd5

Charcoal, Sea Green 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 →

#d5a139

#39bbd5 · #5339d5

#d5396d · #6dd539

Split-complementary

Open in tool →

#d55339 · #bbd539

#d539bb · #d5a139 · #39d553

Contrast

#396dd5 as textRatioAAAA largeAAAFix
Aaon white
4.86:1passpassfail
  • AAA: use #2554b1 as the text (7.04:1)
Aaon black
4.32:1failpassfail
  • AA: use #4273d7 as the text (4.67:1)
  • AAA: use #7096e1 as the text (7.14:1)
  • AA: or shift the background to #f7f7f7 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #396dd5 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#396dd5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #396dd5
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 #396dd5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/396dd5-9ca5c4-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