Color

#396d8e

#396d8e
hex#396d8e
rgbrgb(57, 109, 142)
hslhsl(203, 43%, 39%)
oklchoklch(0.513 0.077 238.6)
Closest name: Astral (#376f89)Relative luminance 0.1376

Colors that go with #396d8e

Charcoal, Royal Blue and Sienna 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 →

#8e5939

#398e84 · #39438e

#8e396d · #6d8e39

Split-complementary

Open in tool →

#8e3943 · #8e8439

#84398e · #8e5939 · #438e39

Contrast

#396d8e as textRatioAAAA largeAAAFix
Aaon white
5.6:1passpassfail
  • AAA: use #305d78 as the text (7.09:1)
Aaon black
3.75:1failpassfail
  • AA: use #407ba0 as the text (4.56:1)
  • AAA: use #629cc0 as the text (7.04:1)
  • AA: or shift the background to #e8e8e8 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #396d8e as the background.

Brands using this color

Fonts for this mood

#396d8e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #396d8e
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 #396d8e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/396d8e-9cb0c4-df4e5d-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