Color

#387299

#387299
hex#387299
rgbrgb(56, 114, 153)
hslhsl(204, 46%, 41%)
oklchoklch(0.53 0.086 240.5)
Closest name: Harbour Blue (#417491)Relative luminance 0.1518

Colors that go with #387299

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 →

#995f38

#38998f · #384299

#993872 · #729938

Split-complementary

Open in tool →

#993842 · #998f38

#8f3899 · #995f38 · #429938

Contrast

#387299 as textRatioAAAA largeAAAFix
Aaon white
5.2:1passpassfail
  • AAA: use #2d5c7b as the text (7.17:1)
Aaon black
4.04:1failpassfail
  • AA: use #3d7ba4 as the text (4.57:1)
  • AAA: use #639ec5 as the text (7.23:1)
  • AA: or shift the background to #f0f0f0 (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 #387299 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

#387299 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #387299
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 #387299 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/387299-9cafc4-df4e5a-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