Color

#397393

#397393
hex#397393
rgbrgb(57, 115, 147)
hslhsl(201, 44%, 40%)
oklchoklch(0.53 0.079 235.1)
Closest name: Harbour Blue (#417491)Relative luminance 0.1524

Colors that go with #397393

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.

Real palettes that use #397393

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#935939

#399385 · #394793

#933973 · #739339

Split-complementary

Open in tool →

#933947 · #938539

#853993 · #935939 · #479339

Contrast

#397393 as textRatioAAAA largeAAAFix
Aaon white
5.19:1passpassfail
  • AAA: use #2e5c76 as the text (7.22:1)
Aaon black
4.05:1failpassfail
  • AA: use #3d7c9e as the text (4.58:1)
  • AAA: use #5d9ec0 as the text (7.12:1)
  • AA: or shift the background to #f0f0f0 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397393 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

#397393 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #397393
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 #397393 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397393-9cb1c4-df4e62-1f222d-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